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- Question
Which of the following physical quantities have the same dimensions
Options- A. momentum and impulse
- B. power and young modulus
- C. Energy and angular Momentum
- D. force constant and moment of inertia
- Correct Answer
- momentum and impulse
- 1. Curie is the unit of
Options- A. temparature
- B. radio activity
- C. heat
- D. energy Discuss
- 2. Number of basic SI unit is
Options- A. 4
- B. 7
- C. 6
- D. 5 Discuss
- 3. A dynamometer wattmeter can be used for
Options- A. Only Direct Current
- B. Only Active Current
- C. Both A & B
- D. None of the above Discuss
- 4. As water is cooled from 4 deg C to 0 deg C, its density
Options- A. increases
- B. decreases
- C. remains same
- D. None of the above Discuss
- 5. The humidity of the air depends upon
Options- A. Weather
- B. Temperature
- C. Location
- D. All of the above Discuss
- 6. Which one of the following groups have quantities that do not have the same dimensions
Options- A. pressure, stress
- B. velocity, speed
- C. force, impulse
- D. work, energy Discuss
- 7. Learned indian classical vocalists do not like the accompaniment of a harmonium because
Options- A. tempered scale is used in the harmonium
- B. diatonic scale is used in the harmonium
- C. notes of the harmonium are too shrill
- D. intensity of the notes of the harmonium is too large Discuss
- 8. Which is the strongest force in the universe? Discuss
- 9. Which is the liquid that shows Capillary fall? Discuss
- 10. A car parked in the sun with its windows closed gets terribly hot inside. This is due to
Options- A. the heat emitted by the engine
- B. the greenhouse effect
- C. the good conducting power of the metal body
- D. the double layered wind shield Discuss
Physics problems
Search Results
Correct Answer: radio activity
Correct Answer: 7
Correct Answer: Both A & B
Correct Answer: decreases
Explanation:
As water is cooled from 4 deg C to 0 deg C, the water reaches its freezing point and starts forming ice crystals. Then the volume of that ice cubes increases and its density decreases. Hence, it is the reason that ice will float on water as ice has less density than the water.
Correct Answer: All of the above
Explanation:
Humidity means the amount of watervapour present in the atmosphere. It depends on weather, location and temperature of the place.
Correct Answer: force, impulse
Correct Answer: tempered scale is used in the harmonium
Correct Answer: Nuclear Force
Correct Answer: Mercury
Correct Answer: the greenhouse effect
Explanation:
The green house effect. The waves of smaller wavelength from the sun enter inside the car through the glass windows and are absorbed. The waves of larger wavelength emitted from inside cannot get out through the glass, but remain inside and make it terribly hot.
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