set 15 MCQ Questions & Answers Detailed Explanation
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The following question based on light, heat, thermodynamics, wave motion, sound, optics & oscillations topic of general science mcq
(a) Total internal reflection
(b) Refraction
(c) Reflection
(d) Scattering
The correct answers to the above question in:
Answer: (a)
Practice light, heat, thermodynamics, wave motion, sound, optics & oscillations (set 15) Online Quiz
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Read more light heat thermodynamics wave sound optics oscillation Based General Science Questions and Answers
Question : 1
When a piece of ice floating in a glass of water melts, the level of water will
a) Rise
b) Remain same
c) Fall
d) Fall or rise depends on the temperature of water
Answer »Answer: (b)
Question : 2
The walls of the ball, built for music concerts should
a) Transmit sound
b) Reflect sound
c) Amplify sound
d) Absorb sound
Answer »Answer: (d)
Question : 3
Consider the following parts of spectra
- Visible
- Infrared
- Ultraviolet
- Microwave
a) 4 – 1 – 2 – 3
b) 4 – 3 – 1 – 2
c) 3 – 2 – 1 – 4
d) 3 – 1 – 2 – 4
Answer »Answer: (d)
Question : 4
The safest temperature for keeping food fresh in a refrigerator is
a) 8°C
b) 0°C
c) 4°C
d) 10°C
Answer »Answer: (c)
Question : 5
The Doppler’s effect is applicable for
a) Sound waves
b) Space waves
c) Light waves
d) Both (a) and (c)
Answer »Answer: (d)
Question : 6
A metal sheet with a circular hole is heated. The hole
a) remains of the same size
b) gets larger
c) gets smaller
d) gets deformed
Answer »Answer: (b)
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