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- Question
Stars which appear single to the naked eye but are double when seen through a telescope are
Options- A. novas and supernovas
- B. binaries
- C. asteroids
- D. quasars
- Correct Answer
- binaries
- 1. Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation?
Options- A. Scattering
- B. Diffraction
- C. Interference
- D. Polarization Discuss
- 2. Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open
Options- A. at sea level
- B. at the top of Mt. Everest
- C. at a place in a valley below sea level
- D. in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level Discuss
- 3. Nuclear sizes are expressed in a unit named
Options- A. Fermi
- B. angstrom
- C. newton
- D. tesla Discuss
- 4. It is more difficult to walk on a sandy road than on a concrete road because
Options- A. sand is soft and concreter is hard
- B. the friction between sand and feet is less than that between concrete and feet
- C. the friction between sand and feet is more than that between concrete and feet
- D. the sand is grainy but concrete is smooth Discuss
- 5. Of the following properties of a wave, the one that is independent of the other is its
Options- A. amplitude
- B. velocity
- C. wavelength
- D. frequency Discuss
- 6. out of the following, which is not emitted by radioactive substance?
Options- A. Electrons
- B. Electromagnetic radiations
- C. Alpha particles
- D. Neutrons Discuss
- 7. Identify the vector quantity from the following
Options- A. Heat
- B. Angular momentum
- C. Time
- D. Work Discuss
- 8. oil raise up the wick in a lamp. The principle involves
Options- A. the diffusion of oil through the wick
- B. the liquid state of oil
- C. capillary action phenomenon
- D. volatility of oil Discuss
- 9. One watt-hour is equivalent to
Options- A. 6.3 x 103 J
- B. 6.3 x 10-7 J
- C. 3.6 x 103 J
- D. 3.6 x 10-3 J Discuss
- 10. Out of the following pairs, which one does not have identical dimension?
Options- A. Moment of inertia and moment of a force
- B. Work and Torque
- C. Angular momentum and Planck's constant
- D. Impulse and Momentum Discuss
Physics problems
Search Results
Correct Answer: Scattering
Correct Answer: at a place in a valley below sea level
Correct Answer: Fermi
Explanation:
Fermi - A unit of length equal to 10-15 meter (one femtometer), used in nuclear physics. It is similar to the diameter of a proton.
Correct Answer: the friction between sand and feet is less than that between concrete and feet
Correct Answer: amplitude
Correct Answer: Neutrons
Correct Answer: Angular momentum
Correct Answer: capillary action phenomenon
Correct Answer: 3.6 x 103 J
Correct Answer: Moment of inertia and moment of a force
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