Normal type of MCQ with one correct option
When a wave is reflected from a mirror, there is a change in its
amplitude
frequency
wavelength
velocity
Normal type of MCQ with one correct option
When a wave travels from air into glass, there is no change in its
amplitude
frequency
wavelength
velocity
Normal type of MCQ with one correct option
In Young’s double slit experiment, if the slit widths are in the ratio of 1 : 2, the ratio of the intensities at minima and maxima will be
1 : 2
1 : 3
1 : 4
1 : 9
Normal type of MCQ with one correct option
In Young’s double-slit experiment, the intensity of light at a point on the screen where the path difference is ( is K units. What is the intensity of light at a point where the path difference is (/3 ; ( being the wavelength of light used
K/4
k/3
K/2
K
A,C
B
C,D
A,B & D
0
a2
2a2
4a2
/
/
0
(
1 : 1
1 : 2
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not correct explanation of A
A is true, R is false
A is false, R is true