Q:

A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/sq.s) is:

A) 3	B) 5
C) 6	D) 7

Answer & Explanation Answer: A) 3

Explanation:

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Filed Under: Physics

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Q:

A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.

A) 6400	B) 3200
C) 1600	D) 4800

Answer & Explanation Answer: B) 3200

Explanation:

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Exam Prep: AIEEE , Bank Exams

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Q:

In total internal reflection, the light travel from

A) rarer to denser medium and it occurs with no loss of intensity	B) denser to rarer medium and it occurs with no loss of intensity
C) rarer to denser medium and it occurs with loss of intensity	D) denser to rarer medium and it occurs with loss of intensity

Answer & Explanation Answer: B) denser to rarer medium and it occurs with no loss of intensity

Explanation:

According to wave theories, for Total internal reflection tohappen: Light must travel from denser medium to rarer medium. Angle of incidence should be greater than critical angle. As in case of TIR, the image is perfectly clear, it implies that there has been no loss of intensity.

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Exam Prep: Bank Exams

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Q:

The tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called ___

A) inertia	B) momentum
C) energy	D) force

Answer & Explanation Answer: A) inertia

Explanation:

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Q:

Classes comprising animals like fishes, amphibians, reptiles, birds along with mammals constitute the category called?

A) Species	B) Genus
C) Kingdom	D) Phylum

Answer & Explanation Answer: D) Phylum

Explanation:

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Filed Under: General Science
Exam Prep: Bank Exams

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Q:

What was the chief objective of the 'Wahabi movement'?

A) Forge cordial relations with the British	B) Purify Islam
C) Improve the condition of women	D) Adopt rational education

Answer & Explanation Answer: B) Purify Islam

Explanation:

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Filed Under: Indian Politics

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Q:

Which of the following is not among the three different forms of 'if' statement?

A) if...	B) if...else
C) if...and	D) if...else if...else

Answer & Explanation Answer: C) if...and

Explanation:

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Filed Under: Computer
Exam Prep: Bank Exams

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Q:

Which of the following uses the spawn mechanism to duplicate itself ?

A) Trojan horse	B) Worm
C) Keystroke logger	D) Logic bomb

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