CBSE Class 7 Science Light: Shadows and Reflections (Class 7 NCERT New) Quiz 4

1. Tracing paper is

A Transparent B Opaque C Translucent

2. Can we see Shadows on Transparent objects

A Yes B No

3. The principle behind the pin hole camera is

A Curvilinear propagation of light B Rectilinear propagation of light C Image D shadow

4. The dark patches are formed behind the objects are called

A Clear images B Dark images C Dim images D Shadow

5. Fire fly is a

A Non-living luminous body B Plant body C Living luminous body D Heavenly body

6. Objects which allow light to pass through them are called

A Opaque objects B Transparent objects C Translucent objects D Image

7. Which of the following is an example of a translucent object?

A A thin sheet of paper B A thin glass slab C A thin iron sheet D All of these

8. When an opaque objects comes in the path of light it forms

A An image with colors B Shadow C Black and white image D Depends on the color of light

9. Which letters of English alphabet will not show lateral inversion?

A I,O,U B N,Z,X C I,X,E D A,E,I

10. Bouncing back of light from shining surfaces is called

A Dispersion B Refraction C Reflection D Total internal reflection