Question

science worksheet of Chapter light​

Answer 1

Required Answers :-

Question 1: Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that mirrors of Boojho and Paheli are, respectively

a. Plane mirror and concave mirror.

b. Concave mirror and convex mirror.

c. Plane mirror and convex mirror $\checkmark$

d. Convex mirror and plane mirror.

2. Which of the following can be used to form a real image?

a) Concave Mirror only $\checkmark$

b) Plane Mirror Only.

c) Convex Mirror Only.

d) Both Concave and Convex Mirror.

3. If an object is placed at a distance of 0.5 m in front of a plane mirror, the distance between the object and image formed by the mirror will be

a) 2 m

b) 1 m $\checkmark$

c) 0.5 m

d) 0.25

4. You are provided with a concave mirror, a convex mirror, a convex lens and a concave lens. To obtain an enlarged image of an object you can use either

a) Concave Mirror or Convex Mirror.

b) Concave Mirror or Convex Lens. $\checkmark$

c) Concave Mirror or Concave lens.

d) Concave Lens or Convex Lens.

5. A rainbow can be seen in the sky

a) When the sun is in front of you.

b) When the Sun is behind you. $\checkmark$

c) When the Sun is over head.

d) Only at the time of sunrise.

Q2. Fill in the Blanks.

1. The inner surface of a steel spoons acts as a Concave Mirror.

2. The Outer surface of a flat steel plate acts as a Plane Mirror.

3. The outer shining surface of a round bottom steel bowl acts as a Convex Mirror.

4. The inner surface of the reflector of a torch acts as a Concave Mirror.