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Q:

Who expanded the cell theory and suggested that all the cells arise from pre-existing cells?

 

A) T. Schwann B) M. Schleiden
C) J. E. Purkinje D) Rudolf Virchow
 
Answer & Explanation Answer: D) Rudolf Virchow

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Filed Under: Biology
Exam Prep: Bank Exams

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Q:

A standing wave occurs when

A) a wave reflects upon itself B) the amplitude of a wave exceeds its wavelength
C) two waves overlap D) the speed of the wave is zero or near zero
 
Answer & Explanation Answer: A) a wave reflects upon itself

Explanation:

A standing wave also known as a stationary wave, is a wave in which its peaks or any other point on the wave do not move spatially.

This phenomenon can occur because the medium is moving in the opposite direction to the wave, or it can arise in a stationary medium as a result of interference between two waves traveling in opposite directions. The most common cause of standing waves is the phenomenon of resonance, in which standing waves occur inside a resonator due to interference between waves reflected back and forth at the resonator's resonant frequency.

 

Hence, standing wave occurs when a wave reflects upon itself.

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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7 8488
Q:

In 1934 Mahatma Gandhi withdrew from active politics and even resigned his membership of the Congress because

A) of the failure of the Civil Disobedience Movement B) the political climate of India was unsuitable for any political movement
C) he wanted to devote himself fully to constructive programme and Harijam welfare D) of his opposition to the desire of congressmen to enter legislatures under the Government of India Act of 1935
 
Answer & Explanation Answer: C) he wanted to devote himself fully to constructive programme and Harijam welfare

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Filed Under: Indian History

3 8486
Q:

Find the odd word/letters/number from the given alternatives.

(A) BCE (B) WXZ (C) MNP (D) GHK

A) A B) B
C) C D) D
 
Answer & Explanation Answer: D) D

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Filed Under: Quantitative Aptitude - Arithmetic Ability
Exam Prep: Bank Exams

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Q:

Unit of solid angle is

A) degree B) radian
C) steradian D) radian second
 
Answer & Explanation Answer: C) steradian

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Filed Under: Physics

20 8465
Q:

Rearrange the parts of the sentence in correct order.

 

Cities have

 

P : intellectual stimulus

Q : always provided

R : and educational leadership

 

A) PQR   B) RQP  
C) QPR D) PRQ
 
Answer & Explanation Answer: C) QPR

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Filed Under: English
Exam Prep: Bank Exams , GRE , TOEFL

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Q:

In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is 

A) decreased by 2% B) decreased by 4%
C) increased by 2% D) increased by 4%
 
Answer & Explanation Answer: B) decreased by 4%

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Filed Under: Physics

22 8462
Q:

Rearrange the parts of the sentence in correct order.

Public goods are
P-important as they
Q-mitigate the impact of
R-income poverty and inequality

A) QRP B) PQR
C) RPQ D) QPR
 
Answer & Explanation Answer: B) PQR

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Filed Under: English
Exam Prep: Bank Exams

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