Physics-
General
Easy
Question
Splitting of white light into different colours is called:
- Scattering
- Dispersion
- Absorption
- None
The correct answer is: Dispersion
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An object is present at 0.5 m in front of a plane mirror The distance between object and image is?
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A man standing on a cliff claps his hand hears its echo after 1 sec If sound is reflected from another mountain and velocity of sound in air is 340 m/sec Then the distance between the man and reflection point is
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Sound waves have the following frequencies that are audible to human beings
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Assertion : If dot product and cross product of are zero, it implies that one of the vector must be a null vector
Reason : Null vector is a vector with zero magnitude
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Reason : Null vector is a vector with zero magnitude
physics-General
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Reason :
Assertion : Vector addition of two vectors is commutative
Reason :
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The vectors are such that .The angle between vectors
The vectors are such that .The angle between vectors
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If then angle between
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Which of the following is a scalar quantity:
physics-General
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Angular momentum is:
physics-General