Questions

Q:

Who discovered radioactivity?

A) Max Planck B) James Clerk Maxwell
C) Henri Becquerel D) Heinrich Hertz
 
Answer & Explanation Answer: C) Henri Becquerel

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Filed Under: Inventions
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Q:

Which one of the following events in a botanical garden is never directly influenced by light?

A) Flowering B) Photosynthesis
C) Transpiration D) Fertilization
 
Answer & Explanation Answer: D) Fertilization

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Filed Under: General Awareness

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Q:

Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s

A) 2000 B) 0.016
C) 1000 D) 0.008
 
Answer & Explanation Answer: D) 0.008

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Filed Under: Physics

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Q:

The unit of measurement of noise is

A) Decibel B) Hertz
C) Amplifier D) Acoustics
 
Answer & Explanation Answer: A) Decibel

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Filed Under: Physics

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Q:

The material used in electric heater is

A) Tungsten B) Nichrome
C) Brass D) Steel
 
Answer & Explanation Answer: B) Nichrome

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Filed Under: Physics

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Q:

Bubbles of air rise up through liquids due to

A) Surface tension and adherence B)  viscosity and buoyancy
C)  air current over the liquid and buoyancy D)  Up thrust and surface tension
 
Answer & Explanation Answer: B)  viscosity and buoyancy

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Filed Under: Physics
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Q:

If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?

A) Acceleration B) Kinetic Energy
C) Velocity D) Momentum
 
Answer & Explanation Answer: D) Momentum

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Filed Under: Physics
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Q:

The original constitution of India was published in?

A) Delhi B) Srinagar
C) Ajmer D) Dehradun
 
Answer & Explanation Answer: D) Dehradun

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Filed Under: Indian Politics
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