set 7 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 16 EXERCISES
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The following question based on light, heat, thermodynamics, wave motion, sound, optics & oscillations topic of general science mcq
(a) 100% RH, 20ºC temperature
(b) 20% RH, 20ºC temperature
(c) 100% RH, 60ºC temperature
(d) 20% RH, 60ºC temperature
The correct answers to the above question in:
Answer: (d)
Discuss Form
Read more light heat thermodynamics wave sound optics oscillation Based General Science Questions and Answers
Question : 1
‘Raman effect’ deals with the light rays passing through
a) Only diamonds
b) Only prisms
c) Only fluids
d) All transparent medium
Answer »Answer: (d)
Question : 2
Expansion during heating
a) decreases the density of a material
b) occurs only in solids
c) increases the weight of a material
d) occurs at the same rate for all liquids and solids
Answer »Answer: (a)
Solids, liquids and gases all expand on being heated as a result,
Density = (mass/volume) decreases.
Question : 3
Mr X was advised by an architect to make outer walls of his house with hollow bricks. The correct reason is that such walls
a) help keeping inside cooler in summer and warmer in winter
b) make the building stronger
c) prevent seepage of moisture from outside
d) protect the building from lightning
Answer »Answer: (a)
Question : 4
The graph given above indicates change in temperature (Dt) when heat (Q) was given to a substance. Which among the following parts of the graph correctly depict the latent heat of the substance?
a) BC and DE
b) AB and BC
c) CD and DE
d) DE and AB
Answer »Answer: (a)
Question : 5
In order to avoid Sunlight, which of the following colour combination for an umbrella is most appropriate?
a) Only black
b) Top white and bottom black
c) Top black and bottom white
d) Only white
Answer »Answer: (b)
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