Physics GK · all questions

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Q101

To an astronaut in space, the sky will appear to be

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Q102

What is the absolute refractive index of air?

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Q103

Light is a transverse wave, which of the only event proving this?

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Q104

Near-sightedness in humans is called:

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Q105

Which one of the following is not a luminous object?

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Q106

In a concave mirror when the object is placed at infinity which of the following applies to the image?

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Q107

What is the distance between the focal point or focus point in the lens and the vision center or optical center?

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Q108

Rainbow is seen after rain because of hanging molecules of water which act as

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Q109

Match List-I with List-II and select the correct answer:

List-I (Disease)	List-II (Remedy)
a. Hypermetropia	1. Concave lens
b. Presbyopia	2. Bifocal lens
c. Myopia	3. Surgery
d. Cataract	4. Convex lens

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Q110

The correct relation between the radius of curvature R and focal length f of a spherical mirror is

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Q111

Which one of the following is not true about the image formed by a plane mirror?

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Q112

Which of the two colours of spectrum forms the extremes?

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Q113

Which one of the following statements is not correct?

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Q114

A . . . . . . . . is formed when each colour of the white light is refracted in the prism at a different angle.

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Q115

The nature of radiation of light is

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Q116

The color of the clouds appears white due to . . . . . . . .

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Q117

The reason of mirage is

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Q118

The mirror used by a dentist to examine the teeth of patients is

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Q119

If the angle of incidence in denser medium is equal to critical angle, the angle of refractive will be

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Q120

Which one of the following statement is not correct?

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