Physics MCQ’S

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#1. Which of the following terms is not used in the field of physics?

Answer: Option D
Solution: Stock value.

#2. Radiocarbon is produced in the atmosphere as a result of

Answer: Option A
Solution: Collision between fast neutrons and nitrogen nuclei present in the atmosphere.

#3. It is easier to roll a stone up a sloping road than to lift it vertical upwards because

Answer: Option D
Solution: Work done in rolling a stone is less than in lifting it.

#4. The absorption of ink by blotting paper involves:

Answer: Option B
Solution: Capillary action phenomenon.

#5. Siphon will fail to work if:

Answer: Option B
Solution: The level of the liquid in the two vessels are at the same height.

#6. Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to:

Answer: Option C
Solution: Both the heating effect of current and hysteresis loss.

#7. Nuclear sizes are expressed in a unit named

Answer: Option A
Solution: 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.

#8. Light year is a unit of

Answer: Option B
Solution: Distance.

#9. Mirage is due to:

Answer: Option A
Solution: Unequal heating of different parts of the atmosphere.

#10. Light from the Sun reaches us in nearly

Answer: Option C
Solution: 8 minutes.
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