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- Question
Which of the following waves cannot be polarised?
Options- A. Radio
- B. Ultra violet
- C. Infrared
- D. Ultrasonic
- Correct Answer
- Ultrasonic
- 1. During the motion of a projectile fired from the earth surface, _______
Options- A. its kinetic energy remains constant
- B. its momentum remains constant
- C. vertical component of its velocity remains constant
- D. horizontal component of its velocity remains constant Discuss
- 2. 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
- 3. Which term is not associated with sound wave?
Options- A. Hertz
- B. Decibel
- C. Candela
- D. Mach Discuss
- 4. The strength of a force is usually expressed by its __________.
Options- A. Motion
- B. Direction
- C. Interaction
- D. Magnitude Discuss
- 5. Where is a transistor most likely to be found ?
Options- A. Wrist watch
- B. Fuse
- C. Hearing aid
- D. Fluorescent lamp Discuss
- 6. If speed of rotation of the earth increases, the weight of the body
Options- A. decreases
- B. B)
- C. C)
- D. D) Discuss
- 7. In the context of non-conventional energy, what is the meaning of 'OTE' ?
Options- A. Ocean Tidal Energy
- B. Ocean Thermal Energy
- C. Ocean Tidal Electricity
- D. Other Thermal Energy Discuss
- 8. What is the phenomenon which established the transverse nature of light ?
Options- A. Reflection
- B. Interference
- C. Diffraction
- D. Polarisation Discuss
- 9. What is the name of the device used to convert alternating current into direct current ?
Options- A. Ammeter
- B. Galvanometer
- C. Rectifier
- D. Transformer Discuss
- 10. Why the Earth is having its own atmosphere ?
Options- A. Winds
- B. Clouds
- C. Gravity
- D. Rotation of the Earth Discuss
Physics problems
Search Results
Correct Answer: horizontal component of its velocity remains constant
Correct Answer: linear momentum
Correct Answer: Candela
Correct Answer: Magnitude
Correct Answer: Hearing aid
Correct Answer: decreases
Correct Answer: Ocean Thermal Energy
Correct Answer: Polarisation
Correct Answer: Rectifier
Correct Answer: Gravity
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