Light MCQ Class 10. We covered all the Light MCQ Class 10 in this post for free so that you can practice well for the exam.
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MCQ on Light for Students
The retina of the eye is comparable to which of the following parts of a traditional camera?
(a) Film
(b) Lens
(c) Shutter
(d) Cover
Option a – Film
Which mirror is used as a rearview mirror in vehicles?
(a) Plane
(b) Convex
(c) Concave
(d) Plano concave
Option b – Convex
The reason for the mirage is
(a) interference of light
(b) diffraction of light
(c) polarisation of light
(d) total internal reflection of light
Option d – total internal reflection of light
The colour of light is determined by its
(a) amplitude
(b) wavelength
(c) intensity
(d) velocity
Option b – wavelength
What type of electromagnetic radiation is used in the remote control of a television?
(a) Infrared
(b) Ultraviolet
(c) Visible
(d) None of these
Option a – Infrared
The image of the object that we see forms on the retina of our eyes is
(a) always erect
(b) always inverted
(c) erect or inverted depends upon the intensity of light
(d) erect or inverted depends upon the age of the person
Option b – always inverted
A myopic eye can be corrected by using an
(a) convex lens
(b) concave lens
(c) cylindrical lens
(d) plano-convex lens
Option b – concave lens
When light pass from one medium to another medium, which one of the following does not change?
(a) Intensity
(b) Velocity
(c) Wavelength
(d) Frequency
Option d – Frequency
Night vision cameras do not use
(a) amplified light
(b) infrared sensors
(c) heat radiation from objects
(d) X-ray radiation from objects
Option d – X-ray radiation from objects
Among the following radiations, highest which has the energy?
(a) Visible
(b) X-ray
(c) Ultraviolet
(d) Infrared
Option b – X-ray
Two convex lenses with power 2 dioptre are kept in contact with each other. The focal length of the combined lens system is
(a) 0.10m
(b) 2m
(c) 4m
(d) 0.25m
Option d – 0.25m
White light is made up of seven colours. What is the method of separating the colours?
(a) By passing it through a prism
(b) By filtration
(c) Can’t be separated
(d) Both (a) and (b)
Option a – By passing it through a prism
The minimum height of a plane mirror to see the full-size image of a person is equal to
(a) the height of the person
(b) half the height of the person
(c) one-fourth the height of the person
(d) double the height of the person
Option b – half the height of the person
The wavelength range of visible light is
(a) 200-900 nm
(b) 600-780 nm
(c) 300-800 nm
(d) 390-780 nm
Option d – 390-780 nm
When the distance between the object and the plane mirror increases
(a) the image remains the same
(b) the size of the image will become less than the size of the object
(c) the distance between the image and the plane mirror increases
(d) the distance between the image and the plane mirror decreases
Option c – the distance between the image and the plane mirror increases
Butter paper is an example of …………. object.
(a) a transparent
(b) a translucent
(c) an opaque
(d) a luminous
Option b – a translucent
The sun is seen before the actual sunrise because of……
(a) reflection
(b) refraction
(c) scattering of light
(d) rectilinear propagation of light
Option b – refraction
The spread of colours in a rainbow in the sky is primarily due to
(a) dispersion of sunlight
(b) reflection of sunlight
(c) refraction of sunlight
(d) total internal reflection of sunlight
Option a – dispersion of sunlight
A Rainbow is formed due to
(a) refraction, reflection and dispersion of light through a water droplet
(b) reflection and dispersion of light through a water droplet
(c) only refraction of light
(d) only dispersion of light
Option a – refraction, reflection and dispersion of light through a water droplet
A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and the legs smaller. The following is the order of combinations for the magic mirror from the top.
(a) Plane, convex and concave
(b) Convex, concave and plane
(c) Concave, plane and convex
(d) Convex, plane and concave
Option c – Concave, plane and convex
Which one of the following statements is not true for a person suffering from hypermetropia?
(a) The person can see far objects distinctly.
(b) The focal length of the lens is large.
(c) The image of the close object is focussed behind the retina.
(d) A concave lens is used to correct this defect.
Option d – A concave lens is used to correct this defect
Which one of the following is the natural phenomenon based on which a simple periscope works?
(a) Reflection of light
(b) Refraction of light
(c) Dispersion of light
(d) Total internal reflection of light.
Option d – Total internal reflection of light
Which one of the following statements about the refractive index of a material medium with respect to air is correct?
(a) It can be either positive or negative
(b) It can have zero value
(c) It is unity for all materials
(d) It is always greater than one
Option d – It is always greater than one
If the absolute refractive indices of glass and water are 3/2 and 4/3 respectively, what will be the ratio of the velocity of light in glass and water?
(a) 3 : 4
(b) 4 : 3
(c) 8 : 7
(d) 8 : 9
Option d – 8 : 9
We covered all the light mcq class 10 above in this post for free so that you can practice well for the exam.
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