Physics-
General
Easy
Question
A light ray, going through a prism of angle 60°, is found to deviate by 30° The refractive index of prism is
The correct answer is:
Related Questions to study
physics-
Splitting of white light into different colours is called:
Splitting of white light into different colours is called:
physics-General
physics-
Virtual image is
Virtual image is
physics-General
physics-
A concave mirror forms an erect image of twice its size, object distance from the mirror is ....
A concave mirror forms an erect image of twice its size, object distance from the mirror is ....
physics-General
physics-
An object is present at 0.5 m in front of a plane mirror The distance between object and image is?
An object is present at 0.5 m in front of a plane mirror The distance between object and image is?
physics-General
Physics-
Standing stationary waves can be obtained in an air column even if the interfering waves are
Standing stationary waves can be obtained in an air column even if the interfering waves are
Physics-General
Physics-
The equation of a wave travelling in a string can be written as y = 3 cos 
(100 t - x) Its wavelength is
The equation of a wave travelling in a string can be written as y = 3 cos (100 t - x) Its wavelength is
Physics-General
Physics-
The equation of a wave is y= 2 sin (0.5x - 200t), where x and y are expressed in cm and t in sec The wave velocity is
The equation of a wave is y= 2 sin (0.5x - 200t), where x and y are expressed in cm and t in sec The wave velocity is
Physics-General
Physics-
Transverse waves can propagate in
Transverse waves can propagate in
Physics-General
Physics-
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
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
Physics-General
physics-
Sound waves have the following frequencies that are audible to human beings
Sound waves have the following frequencies that are audible to human beings
physics-General
physics-
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
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
physics-General
physics-
Assertion : Vector addition of two vectors is commutative
Reason : 
Assertion : Vector addition of two vectors is commutative
Reason :
physics-General
physics-
The vectors are such that 
.The angle between vectors 
The vectors are such that .The angle between vectors
physics-General
physics-
If 
then angle between 
If then angle between
physics-General
physics-
Which of the following is a scalar quantity:
Which of the following is a scalar quantity:
physics-General
