Class 8th Science Chapter – 13 Light
| Textbook | NCERT |
| Class | 8th |
| Subject | Science |
| Chapter | 13th |
| Chapter Name | Light |
| Category | Class 8th Science |
| Medium | English |
| Source | Last Doubt |
| Class 8th Science Chapter – 13 Light MCQ With Answer Why light is so fast?, Why do we need light?, What is light made of?, What are the 4 types of light?, What are 5 examples of light?, How can we use light?, How can we see light?, How is light used at home?, Do humans need light?, What are the 7 types of light?, What is a simple light?, What are the two types of light?, How do we see Colour?, How is light produced? |
Class 8th Science Chapter – 13 Light
Chapter – 13
Light
MCQ
| (1) Which one of the following statements is correct regarding rods and cones in the human eye ? A. Cones are sensitive to dim light B. Cones are sensitive to bright light C. Rods are sensitive to bright light D. Rods can sense colour Answer – (B) Cones are sensitive to bright light |
| (2) Front balged part of the eyeball is called ? A. cornea B. choroid C. pupil D. retina Answer – (A) cornea |
| (3) Band of seven colours is called ? A. VIBGYOR B. spectrum C. dispersion D. reflection Answer – (B) spectrum |
| (4) Beam of light striking the reflecting surface is called ? A. reflecting ray B. incident ray C. refracted ray D. normal ray Answer – (B) incident ray |
| (5) A smooth shining surface, which rebounds the light back in same or in different direction, is called ? A. a mirror B. a lens C. reflection of light D. point of incidence Answer – (A) a mirror |
| (6) What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray ? A. 60° B.45° C. 90° D. 180° Answer – (B) 45° |
| (7) The image formed by a camera and a simple microscope are respectively ? A. real and real B. real and virtual C. virtual and virtual D. virtual and real Answer – (B) real and virtual |
| (8) Visually impaired people can read and write using ? A. electronic writer B. digital pens C. braille system D. hearing aids Answer – (C) braille system |
| (9) Name the type of mirror used as a backview mirror ? A. Plane mirror B. Concave mirror C. Convex mirror D. Any of these Answer – (C) Convex mirror |
| (10) In case of reflection of light, the angle of incidence (i) and the angle of reflection (r) are related as ? A. i = r B. i < r C. i > r D. no definite relation Answer – (A) i = r |
| (11) Light enters the eye through ? A. eye lens B. pupil C. cornea D. retina Answer – (C) cornea |
| (12) Myopia can be corrected by using a ? A. concave lens B. convex lens C. opaque lens D. micro lens Answer – (A) concave lens |
| (13) The amount of light entering the eye is controlled by ? A. eye lens B. cornea C. iris D. ciliary muscle Answer – (C) iris |
| (14) The defect due to which a person is not able to see the distant objects clearly ? A. Myopia B. Hypermetropia C. Cornea D. Cataract Answer – (A) Myopia |
| (15) The splitting of white light into its seven constituent colours is called ? A. refraction B. dispersion C. deviation D. reflection Answer – (B) dispersion |
| (16) In the retina of the eye, the area having no sensory cells is called ? A. iris B. Blind spot C. cornea D. Dark spot Answer – (B) Blind spot |
| (17) Rainbow is a natural phenomenon showing ? A. Reflection B. Deflection C. Dispersion D. Diversion Answer – (A) Reflection |
| (18) Light passing through a prism splits into seven colours. This is called ? A. Dispersion B. Dissolution C. Division D. None of the above Answer – (A) Dispersion |
| (19) When we stand in front of our dressing table, our left hand seems to be right and right seems to be left. This is called ? A. Left-right confusion B. Lateral inversion C. Up -side down phenomenon D. mirage Answer – (B) Lateral inversion |
| (20) If the angle of incidence of light falling on a plane mirror is 30°, what will be the angle of reflection ? A. 90° B. 60° C. 30° D. 0° Answer – (C) 30 degree |
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