Light, shadows and reflection Worksheet-4

Light, shadows and reflection Worksheet-4

Multiple-Choice Questions:

1. Following is a translucent material.

(A) Glass                                           (B) Lampshade

(C) Tea pot                                       (D) None of these

2. Following is not the characteristics of shadow.

(A) It is always black

(B) It only shows the shape or outline of the object

(C) The size of a shadow varies depending on the distance

(D) It shows all the details of the object

3. The _________ eye acts very much like a pin-hole camera.

(A) Elephant                                     (B) Cat

(C) Human                                        (D) Leopard

4. The colour of the shadow is _______.

(A) Black                                           (B) White

(C) Transparent                                (D) Colourless

5. A parallel beam of light rays incident upon it is reflected in _____direction.

(A) One                                             (B) Two

(C) Four                                             (D) All

Fill in the blanks:

1. When we lift our right hand, the image in the mirror appears to lift its left hand, this image is called ________.
2. A parallel beam of light rays incident upon it is reflected in ________ direction.
3. Light surface to be reflected in a different direction is called ___________.
4. __________ of light by a surface depends on the nature of the surface.
5. The human eye acts very much like a __________ camera.
6. _______ is always black, regardless of the colour of the object.
7. __________, Undergoes lateral inversion.
8. A lighted candle is_________ source of light.
9. A __________ shows only the outline of the object.
10. A _____________ can show the colour of the object.

Answer:

Multiple-Choice Questions:

1. (B)
2. (D)
3. (C)
4. (A)
5. (A)

Fill in the blanks:

1. Lateral inversion
2. One or 1
3. Diffused reflection
4. Reflection
5. Pin-hole
6. Shadow
7. Image or images
8. Artificial
9. Shadow
10. Reflected image