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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) Liquids
(b) Gases
(c) Solids
(d) Vacuum
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
Strips of two metals A and B are firmly jointed together as shown in the figure. On heating, A expands more than B does. If this jointed strip is heated, then it will appear as
a)
b)
c)
d)
Answer »Answer: (a)
Question : 2
A fan produces feeling of comfort during hot weather, because
a) our perspiration evaporates rapidly
b) one body radiates more heat
c) fan supplies cold air
d) conductivity of air increase
Answer »Answer: (a)
Question : 3
Photosynthesis using the invisible part of the Sunlight is done by some
a) Bacteria
b) Algae
c) Trees
d) Fungi
Answer »Answer: (a)
Question : 4
The number of images of an object placed between two parallel mirrors is
a) Six
b) One
c) Two
d) Infinite
Answer »Answer: (d)
Question : 5
The hand burns more by steam comparatively to boiling water, because
a) Steam sneaked into the body
b) The steam has more power
c) The steam has latent heat
d) Steam is gig
Answer »Answer: (c)
Question : 6
Consider the following statements:
- Speed of wave = $\text"wave length"/\text"time period"$.
- Wavelength is the distance between two nearest particles in phase.
- The flash of lightening is seen before the sound of thunder is heard.
- Speed of sound is greater than speed of light.
a) 1, 2 and 3
b) 1 and 2
c) 2 and 3
d) 1, 2, 3 and 4
Answer »Answer: (a)
Speed of sound at NTP = 332 m/s,
whereas speed of light is 3 × 108
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