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- Question
Why is weightlessness experienced while orbiting the earth in space ships ?
Options- A. Inertia
- B. Acceleration
- C. Zero gravity
- D. Orbital motion
- Correct Answer
- Zero gravity
- 1. Diamond does not conduct electricity, because
Options- A. It's structure is very compact
- B. It is of crystalline nature
- C. There are only carbon atoms present in it
- D. No free electrons are present in it Discuss
- 2. Which one among the following components can not be developed within an "integrated circuit"?
Options- A. Diode
- B. Triode
- C. Transformer
- D. Transistor Discuss
- 3. An anemometer measures which of the following ?
Options- A. Speed of light
- B. Speed of wind
- C. Speed of water current
- D. Speed of satellites Discuss
- 4. For which one of the following, 'Diodes' are generally used for?
Options- A. Rectification
- B. Amplification
- C. Modulation
- D. Filtration Discuss
- 5. What is the heat generated (in J) in a heating element of resistance 900 ? when a current of 0.3 A passes through it for 10 seconds?
Options- A. 2700
- B. 810
- C. 405
- D. 1350 Discuss
- 6. Sextant is an instrument used in which of the following ?
Options- A. Gynaecology
- B. Navigation
- C. Birth control
- D. Medical treatment Discuss
- 7. Where is a transistor most likely to be found ?
Options- A. Wrist watch
- B. Fuse
- C. Hearing aid
- D. Fluorescent lamp Discuss
- 8. The strength of a force is usually expressed by its __________.
Options- A. Motion
- B. Direction
- C. Interaction
- D. Magnitude Discuss
- 9. Which term is not associated with sound wave?
Options- A. Hertz
- B. Decibel
- C. Candela
- D. Mach Discuss
- 10. If an electron and a photon have the same wavelength, then they will have the same
Options- A. velocity
- B. linear momentum
- C. angular momentum
- D. energy Discuss
Physics problems
Search Results
Correct Answer: No free electrons are present in it
Correct Answer: Transformer
Correct Answer: Speed of wind
Correct Answer: Rectification
Correct Answer: 810
Correct Answer: Navigation
Correct Answer: Hearing aid
Correct Answer: Magnitude
Correct Answer: Candela
Correct Answer: linear momentum
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