Questions

Q:

What of the given below devices converts chemical energy to electrical energy?

A) Transformer B) Battery
C) Electric Generator D) Wheel
 
Answer & Explanation Answer: B) Battery

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Q:

The speed of the light is maximum in

A) Air B) Vacuum
C) Water D) Glass
 
Answer & Explanation Answer: B) Vacuum

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Q:

According to Ohm's law, if current (I) increase and potential difference (V) remains constant, then

A) resistance unchanged B) resistance decreases
C) potential difference decreases D) resistance increases
 
Answer & Explanation Answer: B) resistance decreases

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Q:

The Brownian Motion was discovered by

A) Robert Brown B) Mandel Brown
C) Isaac Newton D) John Brown
 
Answer & Explanation Answer: A) Robert Brown

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Q:

An object having a mass 'm' moving with a velocity 'v' possesses a kinetic energy 'K'. If its velocity is doubled, its kinetic energy will become:

A) K/2 B) 2K
C) 4K D) K/4
 
Answer & Explanation Answer: C) 4K

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Q:

First established Indian Institute of Technology (IIT)?

A) IIT Bombay B) IIT Madras
C) IIT Delhi D) IIT Kharagpur
 
Answer & Explanation Answer: D) IIT Kharagpur

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Q:

Which of the following insecticides' harmful effects came under media attention when health issues in Kerala were publicized?

A) Endosulfan B) Lethal
C) Thimet D) Monocil
 
Answer & Explanation Answer: A) Endosulfan

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Q:

The 'Father of Indian Space Program' is

A) Dr. A.P.J. Abdul kalam B) Dr. Vikram A. Sarabhai
C) Dr. K. Kasturirangan D) Prof. Satish Dhawan
 
Answer & Explanation Answer: B) Dr. Vikram A. Sarabhai

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