Welcome to your Reflection + Refraction at plane surface
1.
Two mirrors are at 60 degree,the number of images formed is
2.
On reflection from a rigid surface light suffers a phase change by
3.
If 6 ft is the height of man, the minimum size of mirror required to see full image of man oneself is equal to (1ft=0.305 meter)
4.
Power of a plane mirror in Dioptre is
5.
When a mirror is rotated through angle 15°, keeping incident ray constant then reflected ray is rotated through an angle
6.
If a thick plane mirror forms large number of images ,among them which one is brightest
7.
On reflection all of the following remains unchanged except
8.
Plane mirror forms ___ image .
9.
Deviation produced by two inclined plane mirror is independent of
10.
A ray of light incident to the first mirror and parallel to the second mirror is reflected from the second mirror parallel to the first mirror. The angle between two mirrors is
11.
Two parallel plane mirrors are 10 cm apart ,an object is placed 4cm from first mirror. What is the distance between fourth image of both mirror?
12.
A person approaches a plane mirror with velocity v, the relative velocity of approach of person and his image is
13.
A person approaching plane mirror with speed of 10cm/s , if initial distance between person and his image is 2 meter then the distance between person and his image after 2.5 seconds will be
14.
A person is moving towards a plane mirror at a speed of 2m/s. What will be the speed of his image with respect to the mirror mirror?
15.
Two plane mirrors are at right angles to each other . A man stands between them and combs his hair with his right hand . In how many of the images will he be seen using his right hand
16.
A ray of light is incident on a plane mirror at an angle of incidence 30°. The ray after reflection is deviated through
17.
An ant moves towards the plane mirror with speed of 5 m/s and the mirror is moved towards any with same speed what is the relative velocity between ant and its image
18.
When light travels from air to glass which of the following changes
19.
The color of light is due to
20.
When a ray of light passes into air from glass slab then
21.
The ray of light entering into a rectangular glass slab emerges from the slab. The incident and emergent ray are
22.
A piece of plane glass is placed in a wood with letters of different colors. The letters which appear minimum raised are
23.
A monochromatic beam of light passes from a denser medium to a rarer medium. As a result
24.
The Refractive index of glass with respect to air is 1.5 . What is the velocity of light in the material
25.
A beam of monochromatic blue light of wavelength 420nm in air travels in water of refractive index 1.33 , its wavelength in water will be
26.
Monochromatic light is refracted from air into glass of refractive index μ . The ratio of the wavelength of incident and refracted waves is :
27.
Critical angle of light passing from glass to air is minimum for
28.
The optical path for monochromatic light is same when it goes through a transparent glass slab of thickness 4cm and 4.5cm thickness of water. The refractive index of glass is 1.53 then the refractive index of water is.
29.
When a slab having thickness 4cm and refractive index 1.5 is placed in path of one interfering light. Then path difference will be.
30.
To a bird in air, fish appears to be at 60cm from surface, what is real depth of fish from surface of water if refractive index of water is 4/3
31.
A,B and C are three optical media of respective critical angles C1 , C2 and C3 . Total internal reflection can occur from A to B and also from B to C but not from C to A . The correct relation for the critical angles will be
32.
Sea divers observes rising sun at an angle____with horizon
33.
A microscope is focused on a mark , Then a glass slab of refractive index 1.5 and thickness 6 cm is placed on mark . To get the mark again in focus the microscope should be moved to
34.
A sea diver inside water at depth ‘h’ sees the world outside through a horizontal circle of radius ‘r’
35.
Air bubble in a jar of water shine due to
36.
The angle substended at the eye of fish diver to observe outside world is
37.
A ray of light is traveling from one medium to another. The λ of light at former and later medium are 4000A° and 6000A° is respectively.Then the value of critical angles is
38.
The blue color of sea is due to
39.
Total internal reflection is possible when light rays travel
40.
A layer of water of refractive index 1.3 and thickness 4cm floats on benzene of refractive index 1.5 and thickness 6cm then the apparent depth of the bottom of the beaker from free surface of water is
awesome
Thank you for the good and fruitful initiative.
Need to study
It’s helpful
Question practice is helping us to revise.
Thank you Dai❣️
Question practice is helping us.
Thank you Dai ❣️
Good