📘 Genral Science
Short Questions
- What is the law of conservation of energy?
- Define the unit of electrical energy.
- Define environment.
- What is meant by environmental degradation?
- Write the names of three conventional and five non-conventional methods of generating electricity.
- Write any three suggestions for energy conservation.
- Write two suggestions for the safe disposal of nuclear waste.
- Define force with example.
- State Newton's First Law.
- What is inertia? Give example.
- Define momentum.
- If force is applied but no distance is covered, will work be done? Write your opinion.
- A student lifted a bag but could not move—was any work done? Why?
- Write the formula of work and explain in which conditions work becomes greater or smaller.
- What happens to work if the direction of force and direction of motion are not the same?
- When is kinetic energy produced? Give an example.
- If the speed of a moving car becomes double, what happens to its kinetic energy?
- If two people have the same weight but run at different speeds, whose kinetic energy will be greater?
- Using the formula of kinetic energy, explain why KE increases with mass.
- Give two everyday life examples in which kinetic energy is clearly observed.
- On what factors does potential energy depend? Explain with an example.
- What happens to the potential energy of an object when its height increases?
- Which type of energy is stored in a stretched rubber band? Why?
- Why does water stored in a dam have potential energy?
- What is the basic difference between potential and kinetic energy? Explain with an example.
- How does a falling apple convert from potential to kinetic energy?
- How does a driver use work, kinetic energy, and potential energy while driving a car?
- A student lifted a book from the table to a higher shelf—what types of energy are involved?
- In a swing, at which point is PE maximum and at which point is KE maximum?
- Explain the law of conservation of energy using work, kinetic energy, and potential energy.
- What is electric current?
- Define potential difference.
- Ohm’s law describes the relationship between which quantities?
- Define resistance.
- What are resistors?
- What is meant by the charge stored in a capacitor?
- Where are capacitors used?
- What does a step-up transformer do?
- What does a step-down transformer do?
- Where is shunt connected when converting a galvanometer into an ammeter?
- Define force with example.
- State Newton's First Law.
- What is inertia? Give example.
- Define momentum.
- What is Ohm’s law? Explain with an example.
- What happens to current if voltage is increased in a circuit?
- How does increasing the resistance of a resistor affect the current in a circuit?
- Give two daily life examples where Ohm’s law is applied.
- Explain Ohm’s law with formula and describe the relationship between current, voltage, and resistance.
- What is electric potential difference and how is it measured?
- If the potential difference between two points is zero, will current flow? Why?
- How does potential difference work in a household appliance? Explain with an example.
- How does a voltmeter measure potential difference?
- Explain the relationship between potential difference and current with an example.
- What is a capacitor and what is its basic function?
- Write the names of different types of capacitors and their uses.
- How does a capacitor store energy in a circuit?
- Where are capacitors used in daily life?
- Explain the relationship between charge and voltage in a capacitor with an example.
- How is energy used in a refrigerator and a microwave?
- Why is there a difference in electricity usage between two household appliances?
- How can energy be saved by using home appliances properly?
- How do current and voltage work in an electric iron and an electric fan?
- Where and why are capacitors used in household appliances?
- Define friction.
- Factors affecting friction.
- What is rolling friction?
- What is electronics and how is it used in daily life?
- What is the role of a diode and resistor in a circuit?
- How can you show the importance of electronics through a small light circuit?
- How do current and voltage behave differently in various electronic devices?
- State two modern uses of technology in the field of electronics.
- What is a semiconductor and where is it used?
- Differentiate between diode and transistor.
- If semiconductors did not exist, which devices could not be made? Give examples.
- How do semiconductor devices help in saving energy?
- Give two examples of semiconductors in daily life.
- What are radio waves and how do they work?
- Explain the role of radio waves in radio, TV, and mobile signals.
- If radio waves did not exist, which devices would be affected?
- Write advantages and limitations of radio waves.
- Give two examples of the use of radio waves in daily life.
- Differentiate between hardware and software.
- Write important hardware components and their functions.
- State two types of software and their uses.
- What happens to software if computer hardware does not work properly?
- Give two examples of computer use in daily life.
- What is CPU and how does it work inside the computer?
- Write different parts of the CPU and their functions.
- How is a computer affected if the CPU stops working?
- Explain the relationship between CPU and RAM with an example.
- Write benefits of increasing CPU speed in modern computers.
- Which materials are used to make lasers?
- From where is electrical power obtained for satellites?
- Which elements emit radioactive radiations?
- What is the difference between EEG and ECG?
- How is hardness produced in steel?
- Define friction.
- Factors affecting friction.
- What is rolling friction?
- Explain the basic difference between science and technology.
- Which facilities in daily life have become possible due to science and technology? Give examples.
- What would be the impact on human life if science and technology did not exist?
- State two major advantages and two possible disadvantages of modern technology.
- How can a new scientific invention make daily life easier?
- What is a laser and how does it work?
- State two important uses of lasers in daily life.
- How is laser helpful in medical and industrial fields?
- Which technologies would be affected if lasers did not exist?
- What could be the possible future benefits of laser technology?
- What is fiber optics and on what principle does it work?
- Explain the structure and main components of fiber optics.
- How is fiber optics useful in telecommunication?
- Give two examples of the use of fiber optics in daily life.
- Which fields would face difficulties if fiber optics did not exist?
- What is radioactivity and how is it produced?
- Explain the types of radioactivity and their characteristics.
- Write the advantages and disadvantages of radioactive materials.
- Give two examples of the use of radioactive elements in daily life.
- Which scientific advancements would be affected if radioactivity did not exist?
- What is ultrasound and on what principle does it work?
- State two important uses of ultrasound in medical diagnosis.
- Write the advantages and limitations of ultrasound.
- What facilities are obtained in daily life through ultrasound?
- Which treatment or technology would be affected if ultrasound did not exist?
- Name Pakistan’s major industries and explain their importance.
- Write the benefits and employment effects of the steel and textile industry.
- How do food and sugar industries improve Pakistan’s economy?
- State the benefits of using modern technology in Pakistan’s industries.
- What would be the economic impact if Pakistan’s major industries did not exist?
- Which mission collected soil and rock samples from the surface of Mars?
- What is meant by the Suhail Telescope?
- Write a few advantages of artificial satellites.
- What are the main objectives of SUPARCO?
- Where are Pakistan’s nuclear power plants located and what is their total production capacity?
- Define friction.
- Factors affecting friction.
- What is rolling friction?
- What is a space program and why did the need for it arise?
- For what purpose was Pakistan’s space program started?
- What are the benefits of the space program in daily life? Give an example.
- How can communication and scientific development be achieved through the space program?
- What would be the possible effects on the country and people if there was no space program?
- When and why was Pakistan’s nuclear program started?
- Explain the major benefits of the nuclear program and its role in national security.
- How is electricity generation possible in Pakistan’s nuclear program?
- What is the global importance of Pakistan’s nuclear program?
- If Pakistan did not have a nuclear program, what would be its effects on national security and energy?
Chapter : 7 Energy
Exercise Questions:
More short Questions
Conceptual Questions
Chapter : 8 Current Electricity
Exercise Questions
More short Questions
Conceptual Questions
Chapter 9: Basic Electronics
More Short Questions
Conceptual Questions
Chapter 10: Science and Technology
Exercise Questions
More Short Questions
Conceptual Questions
Chapter 11: Pakistan's Space and Nuclear Program
Exercise Questions
More Short Questions
Conceptual Questions
Long Questions
- What is the difference between kinetic energy and potential energy? Explain with examples.
- Describe the different types of energy.
- What is meant by the interconversion of energy?
- Define the law of conservation of energy.
- What are the traditional methods of obtaining energy? Write detailed notes on any one method.
- Describe three non-traditional methods of obtaining energy.
- In which unit is electrical energy measured? Explain the working principle of an electricity meter.
- What is thermal pollution? How does it occur? What are its effects on the environment?
- Write notes on energy conservation.
- Define electric current.
- What is cut-off potential current? Explain.
- Explain potential difference with an example. Define its unit.
- State Ohm's law and write its equation.
- What is meant by resistance? Define the unit of resistance.
- What is a capacitor? Where are capacitors used?
- Explain the difference between direct current and alternating current.
- Explain the structural differences between ammeter and voltmeter and their uses.
- What is a milliammeter? What is its purpose? Explain the difference between analog and digital meters.
- What are N-type and P-type semiconductors? What are their uses?
- How is a diode forward biased and reverse biased? Describe different types of diodes and their uses.
- What are radio waves? How are radio broadcasts received?
- How does a television work? Give a brief description of a satellite TV.
- Write an explanatory note on the telephone.
- What are the main components of a computer and their functions?
- Write notes on communication systems.
- What is a laser? Explain some of its main uses.
- Define optical fiber. Explain its structure, principle, and working method.
- What is a radar system? How does it work? Write some of its advantages.
- Discuss solar cells and their types in detail and explain their benefits.
- What is radioactivity? How many types of radiation exist and what are their characteristics?
- What are radioisotopes? Explain some of their benefits.
- How are X-rays produced? Explain their properties and advantages.
- What is the difference between X-rays and CT scan? Which is better for treatment?
- Explain the importance and benefits of steel mills.
- Write notes on the car manufacturing industry.
- What are optical fibers?
- What do you know about the main sections of the textile industry?
- Write a note on etherification.
- Write the steps of sugar processing.
- Write detailed notes on Pakistan’s space program.
- Write a brief note on the importance of the space program and the usefulness of artificial satellites.
- Write detailed notes on Pakistan’s peace program.
- What are the services of the Pakistan Atomic Energy Commission for the peaceful use of nuclear energy?
Chapter 7: Energy
Chapter 8: Current Electricity
Chapter 9: Basic Electronics
Chapter 10: Science and Technology
Chapter 11: Pakistan’s Peace and Nuclear Program
Administrator: SADIA ANWAR Assistant: KHADIJA AHMED
Time Allowed: ?
Total Marks: ?
Syllabus: ?
Institute: ?
INSTRUCTONS
*Note: Write answers neatly and in sequence.Use black or blue pen only.
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