Discussion
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- Question
Density of water is maximum at ______.
Options- A. 12 degree Celsius
- B. 8 degree Celsius
- C. 4 degree Celsius
- D. 0 degree Celsius
- Correct Answer
- 4 degree Celsius
- 1. For what is Radiocarbon dating technique used?
Options- A. To estimate soil contamination
- B. To estimate the amount of water in fossils
- C. To estimate the age of fossils
- D. To estimate the quality of soil Discuss
- 2. Rate of work done is _______.
Options- A. Energy
- B. Power
- C. Momentum
- D. Impulse Discuss
- 3. Which of the following is false with reference to a photo-voltaic cell?
Options- A. It is another name as solar cell
- B. It can be used as infra-red detectors
- C. It can store light energy in the form of electrical energy
- D. It converts electric energy into light energy Discuss
- 4. What is the fundamental unit of amount of a substance?
Options- A. Mole
- B. Candela
- C. Kelvin
- D. Meter Discuss
- 5. What is the unit of the physical quantity Entropy?
Options- A. watt per kelvin
- B. newton per kelvin
- C. pascal per kelvin
- D. joule per kelvin Discuss
- 6. During uniform motion of an object along a straight line, the ________ remains constant with time.
Options- A. Time
- B. Velocity
- C. Acceleration
- D. Distance Discuss
- 7. The instrument used for measuring air pressure is called .....
Options- A. Anemometer
- B. Barometer
- C. Hygrometer
- D. Thermometer Discuss
- 8. Intensity of any wave is proportional to which of the following?
Options- A. amplitude
- B. Square of amplitude
- C. Square root of amplitude
- D. Cube of amplitude Discuss
- 9. Which instrument is used for measuring humidity of atmosphere?
Options- A. Barometer
- B. Anemometer
- C. Thermometer
- D. Hygrometer Discuss
- 10. In a qualitative way, the tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called _________.
Options- A. force
- B. acceleration
- C. friction
- D. inertia Discuss
Physics problems
Search Results
Correct Answer: To estimate the age of fossils
Correct Answer: Power
Correct Answer: It converts electric energy into light energy
Correct Answer: Mole
Correct Answer: joule per kelvin
Correct Answer: Velocity
Correct Answer: Barometer
Correct Answer: Square of amplitude
Correct Answer: Hygrometer
Correct Answer: inertia
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