NCERT Solutions For Class 8 Science Chapter 13 Light MCQs
Question 1. In the figure of the human eye, the cornea is represented by the letter
- A
- B
- C
- D
Answer: 3. C
Question 2. The change in the converging power of an eye lens is caused by the action of
- Retina
- Optic Nerve
- Ciliary Muscle
- Iris
Answer: 3. Ciliary Muscle
NCERT Class 8 Science Chapter 13 Light MCQs
Question 3. Which of the following statements is correct regarding rods and cones in the human eye?
- Cones are sensitive to dim light.
- Cones are sensitive to bright light.
- Rods are sensitive to bright light.
- Rods can sense colour.
Answer: 2. Cones are sensitive to bright light.
Question 4. Part of the eye that controls the entrance of light is called
- Iris
- Cornea
- Lens
- Retina
Answer: 1. Iris
Question 5. A person cannot see distant objects clearly, though they can see nearby objects. He is suffering from a defect of vision called
- Myopia
- Hypermetropia
- Cataract
- Night Blindness
Answer: 1. Myopia
NCERT Solutions for Class 8 Science Chapter 13 Light
Question 6. The picture shows a candle in front of two plane mirrors joined at their sides.
- What will increase the number of images formed in the mirrors?
- Decrease in the size of the object
- Increase in the size of the mirrors
- Decrease in the angle between the two mirrors
- Increase in the distance between the object and the mirrors
Answer: 3. Decrease in the angle between the two mirrors
Question 7. The nature of image formed by a plane mirror is
- Always virtual
- Always inverted
- Always real
- Real and virtual
Answer: 1. Always virtual
Question 8. The light ray after reflection from a surface is known as
- Normal ray
- Refracted ray
- Reflected rays
- Incident ray
Answer: 3. Reflected rays
Class 8 Chapter 13 Light Multiple Choice Questions
Question 9. If a single ray is incident on a plane mirror, then how many reflected rays will you observe?
- Two
- Zero
- One
- Infinite
Answer: 3. One