Physics-
General
Easy
Question
How far a stone shall free fall in 1 second released from rest? ( g = 9.8m/s2)
- 4.9m
- 9.8m
- 19.6m
- 3 × 9.8m
The correct answer is: 4.9m
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In the figure rectangle ABCD, what is the probability that a randomly chosen point that in ABCD lies inside the triangle ABE is

In the figure rectangle ABCD, what is the probability that a randomly chosen point that in ABCD lies inside the triangle ABE is

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A liquid column of height 80 cm at 0°C balances the same liquid of height 80.4 cm at
is
A liquid column of height 80 cm at 0°C balances the same liquid of height 80.4 cm at
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A glass rod is measured with a zinc scale, both being at
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A piece of steel has a length of 30 cm at
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A metal tape gives correct measurement at
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Coefficient of cubical expansion of a solid is
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A fish looking up through the water sees the outside world contained in a circular horizon. If the refractive index of water is 4/3 and the fish is 12 cm below the surface of water, the radius of the circle in centimeter is

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Consider the situation shown in figure. Water (mw = 4/3) is filled in a beaker upto a height of 10 cm. A plane mirror is fixed at a height of 5 cm from the surface of water. Distance of image from the mirror after reflection from the mirror after reflection from it of an object O at the bottom of the beaker is

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One side of a glass slab is silvered as shown in figure. A ray of light is incident on the other side at angle of incidence i = 45º. Refractive index of glass is given as 1.5. The deviation of the ray of light from its initial path when it comes out of the slab is

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On a hypothetical scale X, the ice point is 40° and the steam point is 120° For another scale Y the ice point and steam points are 30°
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