Discussion
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- Question
When light passes from one medium to another, this phenomenon of change in its direction is called _____.
Options- A. Refraction
- B. Diffraction
- C. Propagation
- D. No option is correct
- Correct Answer
- Refraction
- 1. What is the SI unit of Power?
Options- A. Boyle
- B. Watt
- C. Newton
- D. Pascal Discuss
- 2. What is the SI unit of heat energy?
Options- A. Joule
- B. Newton
- C. Calorie
- D. Kelvin Discuss
- 3. Which among the following determines the pitch of a sound?
Options- A. Amplitude
- B. Frequency
- C. Loudness
- D. Wavelength Discuss
- 4. Which compressor is usually used in AC?
Options- A. Centrifugal
- B. Rotary
- C. Reciprocating
- D. Axial Discuss
- 5. The energy that generates wind comes from what source?
Options- A. Anemometers
- B. Solar radiation
- C. Ocean currents
- D. None of the above Discuss
- 6. For an object, the state of rest is considered to be the state of ______ speed.
Options- A. increasing
- B. B)
- C. inverse
- D. zero Discuss
- 7. Instrument for measuring low temperatures is called
Options- A. Diagometer
- B. Cryometer
- C. Chromatoptometer
- D. Cymometer Discuss
- 8. The antiparticle of an electron is
Options- A. Positron
- B. Proton
- C. Alpha particles
- D. Beta particles Discuss
- 9. If the mass of an object is 60 kgs, what will be its weight on the moon? (N=Newton)
Options- A. 60N
- B. 600N
- C. 100N
- D. 10N Discuss
- 10. Reflection from a smooth surface like that of a mirror is called ___________ reflection.
Options- A. regular
- B. irregular
- C. diffused
- D. fused Discuss
Physics problems
Search Results
Correct Answer: Watt
Correct Answer: Joule
Correct Answer: Frequency
Correct Answer: Reciprocating
Correct Answer: Solar radiation
Explanation:
Wind is nothing but the form of moving air. It is caused by the uneven heating of the earth's surface by the sun. Hence, the energy that generates wind comes from solar radiation.
Correct Answer: zero
Correct Answer: Cymometer
Correct Answer: Positron
Correct Answer: 100N
Correct Answer: regular
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