Physics - Mock Test 54

Question 531

The main reason of using Helium gas in baloons in place of Hydrogen is?

A) Hydrogen is heavier than Helium B) Cost effective C) Hydrogen is highly flammable D) None of these

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Question 532

Which of the following are metalloid?

A) Zinc, Gold B) Arsenic, Antimony C) Silver, Platinum D) None of these

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Question 533

Atomic number of an element is the?

A) Number of électrons in nucleus. B) Number of protons in nucleus. C) Number of électrons and protons in nucleus. D) None of these.

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Question 534

Pitch of sound dependent on?

A) Wavelength. B) Frequency. C) Wavenumber. D) Amplitude.

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Question 535

Speed of sound does not depend on?

A) Temparature B) Humidity C) Pressure D) None of these

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Question 536

Crane machine is an example of?

A) Class I lever B) Class II lever C) Class III lever D) None of these

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Question 537

Myopia eyes can be corrected by?

A) Cocave lenses B) Covex lenses C) Neither Cocave lenses nor Covex lenses D) None of these

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Question 538

Dry ice is?

A) Solid oxygen. B) Solid carbon dioxide. C) Solid hydrogen. D) None of these.

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Question 539

Which is the absolute zero temparature?

A) -459.67 degree farenheight B) -273.15 degree farenheight C) -495.67 degree farenheight D) None of these

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Question 540

200 gauge distance converted into metre. Result will be?

A) 182.88 metre B) 150 metre C) 100 metre D) 50.88 metre

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