Questions

Q:

When body is accelerated--

A) Its velocity never changes. B) Its speed will always change.
C) Its direction always changes. D) Its speed may or may not change.
 
Answer & Explanation Answer: D) Its speed may or may not change.

Explanation:

Uniform circular motion, that is constant speed along a circular path, is an example of a body experiencing acceleration resulting in velocity of a constant magnitude but the change of direction

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Q:

Which one of the following is not a property of electromagnetic waves?

A) Electromagnetic waves do not show interference and diffraction. B) Oscillating electric field and magnetic field are perpendicular to each other.
C) Electromagnetic waves are transverse waves D) Electromagnetic waves do not require a medium to propagate.
 
Answer & Explanation Answer: A) Electromagnetic waves do not show interference and diffraction.

Explanation:
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Q:

A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.

A) 3750 B) 7500
C) 1875 D) 5000
 
Answer & Explanation Answer: A) 3750

Explanation:
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Q:

The Indian musical instrument 'Surbahar' is of which type?

A) Impact B) Wind
C) String D) Percussion
 
Answer & Explanation Answer: C) String

Explanation:
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Q:

The Currency Convertibility concept in its original form is originated in___________.

A) Taylors agreement B) Wells agreement
C) Bretton Woods agreement D) Symonds agreement
 
Answer & Explanation Answer: C) Bretton Woods agreement

Explanation:
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Q:

Which one of the following statements is correct?

A) The rank of Second Lieutenant has been abolished. B) The Chief of Army Staff carries the rank of Field Marshal.
C) All officers posted to Andaman and Nicobar Islands wear the ranks of the Indian Navy. D) The rank of Major General is higher than the rank of Lieutenant General.
 
Answer & Explanation Answer: A) The rank of Second Lieutenant has been abolished.

Explanation:

The rank of 2nd Lieutenant/Act. Sub Lieutenant/Pilot Officer were removed because the salary of the officers holding these ranks were less compared to senior Non-Commissioned Officers i.e Subedar Major in army, Master Warrant Officer in air force and Master Chief Petty Officer -1st Class in navy.

Rest of the statements are incorrect.In modern armies, lieutenant general normally ranks immediately below general and above major general; it is equivalent to the navy rank of vice admiral, and in air forces with a separate rank structure, it is equivalent to air marshal.

 

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Q:

In which of the following countries India celebrated a cultural festival named ‘India by the Nile’ in 2017?

A) Iran B) Brazil
C) Egypt D) UAE
 
Answer & Explanation Answer: C) Egypt

Explanation:
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Q:

Who was the first lady Governor of an Indian State?

A) Mrs. Sucheta Kripalani B) Miss Padmaja Naidu
C) Mrs Tarkeswari Sinha D) Mrs. Sarojini Naidu
 
Answer & Explanation Answer: A) Mrs. Sucheta Kripalani

Explanation:
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