CBSE Class 7 Science Light: Shadows and Reflections (Class 7 NCERT New) Quiz 8

1. Sunlight was entering from a window to a dark room, in which a table is placed, A shadow of the table was observed on the wall of the room. Match the following on the basis of above information.

A (i-c), (ii-A), (iii-C), (iv-B) B (i-C), (ii-D), (iii-A), (iv-B) C (i-C), (ii-A), (iii-C), (iv-D) D (i-D), (ii-A), (iii-B), (iv-C)

2. Two similar-sized objects are placed on the ground in the sunlight. In which case the shadows of the two objects will be different.

A The shadows of one black pen and one blue pen B The shadows of one thick notebook and one thin notebook placed facing their front-flat surfaces towards the sun C The shadows of one yellow rose and one red rose D The shadows of two chairs with different sides facing towards the sun

3. Two statement are given below. Read the question and choose the correct option-Statement 1: The shadows are black in colourStatement 2: No light reaches the area where shadow is formedWhich of the following is correct about the statements?

A Statement-1 is false but statement-2 is true B Both Statement-1 and Statement-2 are true and Statement-2 is not the correct explanation of Statement-1. C Statement-1 is true but statement-2 is false. D Both Statement-1 and Statement-2 are true and Statement-2 is correct explanation of Statement-1

4. Suppose a man's height is 6feet, then what will be the height of the man in a plane mirror?

A Same B Bigger C Smaller D None

5. Observe the picture and identify, X,Y & Z.

A Y- opaque object, Z- Source of light, X- Shadow B Y- source of light, Z- opaque object, X- Shadow C Y- source of light, Z- Shadow, X- Opaque Object D X- opaque object, Z- Source of light, Y- Shadow

6. Can you see through it. Yes or No & Why ?

A Yes, because light gets bent along the pipe. B No, because light travels in a straight line. C Yes, light gets reflected. D I don't know maybe light gets absorbed.

7. Who all made the correct statement[s]?

A Only Marie is correct B Only peter is correct C Marry & Peter are correct D Jack and peter are correct.

8. Non-luminous objects are objects which:

A A) Produce their own light B B)Do not produce its own light C C) Can be seen only when light falls o them D D) Both (B) and (C)

9. A transparent object which is mostly used in windows of houses.

A A) polythene B B) Wood C C) Glass D D) Ground glass

10. Which of the following characteristics are observed in an image formed by a pinhole camera?

A A) Virtual image B B) Real image C C) Erect Image D D) Image of different colour