Physics - Mock Test 50

Question 491

The error in measurement may occur due to?

A) inexperience of a person B) the faulty apparantus C) inappropriate method D) due to all reasons in a, b and c

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Question 492

Preftix deca represents?

A) 10 Raised to power 1 B) 10 Raised to power 2 C) 10 Raised to power 3 D) 10 Raised to power -1

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Question 493

1024 can be written in scientific notation as?

A) 1.024x103 B) 2 Raised to power 10 C) 0.000976 D) 1/0.00097

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Question 494

In scientific notation numbers are expressed in?

A) power of ten B) powers of two C) reciprocal D) decimal

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Question 495

How many types of units are in SI?

A) one B) two C) three D) four

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Question 496

The number of categories in which physical quantities are divided are?

A) one B) two C) three D) four

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Question 497

Which branch of science plays an important role in the development of technology and engineering?

A) chemistry B) physics C) geology D) biology

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Question 498

Which one is not a branch of physical sciences?

A) chemistry B) astronomy C) geology D) biology

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Question 499

Instrument for measuring wind velocity is called?

A) Coulombmeter B) Anemometer C) Cyanometer D) Chronometer

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Question 500

The sky appears blue because?

A) It is actually blue B) The Atmosphere scatters blue colours more than the others C) All colours interfere to produce blue D) In white light the blue component dominates

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