Physics Questions

Q:

The bending of light when it passes around a corner or a slit is due to ______.

A) reflection B) refraction
C) diffraction D) total internal reflection
 
Answer & Explanation Answer: C) diffraction

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0 1904
Q:

Sudden fall in the barometric reading is an indication of _______.

A) Storm B) Scorching heat
C) Rain D) Clear weather
 
Answer & Explanation Answer: A) Storm

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3 1903
Q:

What is the phenomenon which established the transverse nature of light ?

A) Reflection B) Interference
C) Diffraction D) Polarisation
 
Answer & Explanation Answer: D) Polarisation

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0 1901
Q:

The reflector of a search light is a :

A) Convex mirror B) Concave mirror
C) Plane mirror D) Cylindrical mirror
 
Answer & Explanation Answer: B) Concave mirror

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0 1900
Q:

A person does some work of 1,000 J in 2 s. His power will be ......

A) 1000W B) 25W
C) 500W D) 50W
 
Answer & Explanation Answer: C) 500W

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0 1899
Q:

Density of water is maximum at ______.

A) 12 degree Celsius B) 8 degree Celsius
C) 4 degree Celsius D) 0 degree Celsius
 
Answer & Explanation Answer: C) 4 degree Celsius

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3 1899
Q:

Where is a transistor most likely to be found ?

A) Wrist watch B) Fuse
C) Hearing aid D) Fluorescent lamp
 
Answer & Explanation Answer: C) Hearing aid

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0 1899
Q:

Which of the following cannot be used for making lenses?

A) Plastic B) Soil
C) Glass D) Water
 
Answer & Explanation Answer: B) Soil

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