Subject Category > Physics

Q. Which of the following is used in pencils?

A) Phosphorous

B) Silicon

C) Charcoal

D) Graphite

✔ Graphite

Additional Information > Exam point of View

Pencils primarily use graphite as the writing core, often mixed with clay to control hardness.

Asked Question

Q 1.National Income estimates in India are prepared by

Right Answer : Central statistical organisation

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Q 2.MS-Word is an example of _____

Right Answer : Application software

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Q 3.The staple food of the Vedic Aryan was

Right Answer : Milk and its products

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Q 4.A computer cannot "boot" if it does not have the _____

Right Answer : Operating system

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Q 5.Hydrogen bomb is based on the principle of

Right Answer : nuclear fusion

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Q 6.Epsom(England) is the place associated with

Right Answer : Horse racing

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Q 7.________ is the process of dividing the disk into tracks and sectors

Right Answer : Formatting

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Q 8.The state of Assam has

Right Answer : Five National Parks and eleven wildlife sanctuaries

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Q 9.Which one of the following types of waves are used in a night vision apparatus?

Right Answer : Infra-red waves

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Q 10._____are attempts by individuals to obtain confidential information from you by falsifying their identity

Right Answer : Phishing scams

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