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Prelims

UPSC Prelims Questions

Practice UPSC Prelims MCQs by subject and year. Free questions with explanations for focused revision.

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  2. /Prelims Questions
Q.4051·Miscellaneous·2021·Easy

Reverberation is a phenomenon associated with a

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Q.4052·Miscellaneous·2021·Easy

Which among the following is true for propagation of sound waves?

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Q.4053·Miscellaneous·2021·Easy

A tennis ball is thrown in the vertically upward direction and the ball attains a maximum height of 20 m. The ball was thrown approximately with an upward velocity of

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Q.4054·Miscellaneous·2021·Easy

An object of mass 2000 g possesses 100 J kinetic energy. The object must be moving with a speed of

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Q.4055·Miscellaneous·2021·Easy

What is the total number of covalent bonds in methanol?

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Q.4056·Miscellaneous·2021·Easy

Which one of the following is the chemical formula of Plaster of Paris?

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Q.4057·Miscellaneous·2021·Easy

The unit of the ratio between thrust and impulse is same as that of

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Q.4058·Miscellaneous·2021·Easy

Which one of the following provides for the complete equality of men and women in India?

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Q.4059·Miscellaneous·2021·Easy

Which one of the following figures correctly shows the path of a ray of light through a glass prism?

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Q.4060·Miscellaneous·2021·Easy

When a light beam falls on a triangular glass prism, a band of colours is obtained. Which one of the following statements is correct in this regard?

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Q.4061·Miscellaneous·2021·Easy

The image of an object formed by a plane mirror is

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Q.4062·Miscellaneous·2021·Easy

Which one of the following is not a conservative force?

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Q.4063·Miscellaneous·2021·Easy

A negative work is done when an applied force F and the corresponding displacement S are

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Q.4064·Miscellaneous·2021·Easy

The maximum depth of Lithosphere is found in the

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Q.4065·Miscellaneous·2021·Easy

A large body of magmatic material that cools in the deeper depth of the Earth's crust and develops in the form of large domes is known as

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Q.4066·Miscellaneous·2021·Easy

Which one of the following Oil Refineries is not located in Assam?

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Q.4067·Miscellaneous·2021·Easy

When and where did Mahatma Gandhi make his first public appearance in India on coming back from South Africa after two decades?

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Q.4068·Miscellaneous·2021·Easy

When and where was the demand for "Purna Swaraj" or complete independence made by the Indian National Congress?

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