General Knowledge - Physics
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Exercise"Do not wait for leaders; do it alone, person to person."
- Mother Teresa
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| 13. |
Metals are good conductors of electricity because |
| A. |
they contain free electrons | | B. |
the atoms are lightly packed | | C. |
they have high melting point | | D. |
All of the above |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
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| 14. |
Let a thin capillary tube be replaced with another tube of insufficient length then, we find water |
| A. |
will overflow | | B. |
will not rise | | C. |
depressed | | D. |
change its meniscus |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
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| 15. |
Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension? |
| A. |
Pressure and Young's modules | | B. |
Planck's constant and Angular momentum | | C. |
Impulse and moment of force | | D. |
Force and rate of change of linear momentum |
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
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| 16. |
If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same |
| A. |
velocity | B. |
momentum | | C. |
acceleration | D. |
kinetic energy |
Answer: Option E
Explanation:
No answer description available for this question. Let us discuss.
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| 17. |
Pick out the scalar quantity |
| A. |
force | B. |
pressure | | C. |
velocity | D. |
acceleration |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
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| 18. |
Rectifiers are used to convert |
| A. |
Direct current to Alternating current | | B. |
Alternating current to Direct current | | C. |
high voltage to low voltage | | D. |
low voltage to high voltage |
Answer: Option A
Explanation:
No answer description available for this question. Let us discuss.
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