Discussion
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- Question
The spring balance works on the principle of __________
Options- A. Boyle's Law
- B. Hooke's Law
- C. Bernoulli's principle
- D. Pascal's Law
- Correct Answer
- Hooke's Law
- 1. Anemometer is an instrument meant for measuring __________
Options- A. velocity
- B. air masses
- C. wind speed
- D. temperature Discuss
- 2. The complete form of 'IC' in electronics is
Options- A. Internal circuit
- B. Independent circuit
- C. Integrated circuit
- D. Inbuilt circuit Discuss
- 3. The unit of measurement of noise is
Options- A. Decibel
- B. Hertz
- C. Amplifier
- D. Acoustics Discuss
- 4. Which one among the following components is used as an amplifying device?
Options- A. Transformer
- B. Diode
- C. Capacitor
- D. Transistor Discuss
- 5. If the velocity of a body is halved its kinetic energy ________________.
Options- A. become 4 times
- B. becomes 1/4 th
- C. is also doubled
- D. becomes half Discuss
- 6. If there were no gravity, which of the following will not be there for a fluid?
Options- A. Viscosity
- B. Surface Tension
- C. Pressure
- D. Upward Thrust Discuss
- 7. If electric resistance is to be decreased, then the number of resistances should be connected in ________________
Options- A. Series
- B. Parallel
- C. Mixed arrangement
- D. None of these Discuss
- 8. Which one of the following processes is responsible for the glittering of air bubble rising through water?
Options- A. Reflection of light
- B. Refraction of light
- C. Total internal reflection of light
- D. Scattering of light Discuss
- 9. In an optical fibre the signal is transmitted
Options- A. in a straight line path
- B. In a curved path
- C. due to total internal reflection
- D. Due to refraction Discuss
- 10. What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it?
Options- A. 0.5
- B. 100
- C. 50
- D. 1 Discuss
Physics problems
Search Results
Correct Answer: wind speed
Correct Answer: Integrated circuit
Correct Answer: Decibel
Correct Answer: Transistor
Correct Answer: becomes 1/4 th
Correct Answer: Upward Thrust
Correct Answer: Parallel
Correct Answer: Total internal reflection of light
Correct Answer: Due to refraction
Correct Answer: 50
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