CBSE Class 7 Science Light: Shadows and Reflections (Class 7 NCERT New) Quiz 6

1. The image shows a hot air balloon flying at higher altitude.What should be the position of the Sun to get the shadow of the hot air balloon at O?

A at S B at Q C at R D at P

2. The image shows the bird flying under the sun and four different position.At which position the shadow of the bird will be larger?

A at W B at X C at Y D at Z

3. The image shows a pinhole camera.Where does the image of the object in the pinhole camera form?

A at the pinhole B at the translucent sheet C on the inner surface of the inner box D on the upper surface of the outer box

4. A student develops a model of a pinhole camera using two boxes as shown.The student put the small box in the big box. He starts observing the object through the pinhole camera but does not get the clear image. What should the student do to get a clear image?

A qturn the sides of the inner box B make a pinhole in the inner box C paste a tracing paper on the outer box and the inner box both. D None of the above

5. A student observes the lighted bulb through the pinhole camera as shown.Which option shows the image formation of the bulb in the camera?

A erect image at pinhole B upside down image at pinhole C erect image at translucent screen D upside down image at translucent screen

6. A student observes a tree using a pinhole camera. She decreases the distance between the tree and the camera and looks at the tree through the camera again. The image formed is as shown.What can be concluded from the image?

A farther the object, larger the erect image B farther the object, smaller the erect image C closer the object, larger the inverted image D closer the object, smaller the inverted image

7. The image shows the reflection of a candle.Which statement is correct based on the observation

A plane mirror produces an upright image of the same size B plane mirror produces an upright image of a smaller size C plane mirror produces an upside-down image of the same size D plane mirror produces an upside-down image of a smaller size

8. A student flashed a light from source on a mirror, as shownIn which direction is the light likely to be reflected from the mirror?

A towards P B towards Q C towards R D towards S

9. A student makes two setups using a torch and a ball to study (i) formation of shadows and (ii) Reflection of light. some material that was used in creating two setups.A mirrorA glass sheetA cardboard sheetA tracing paperWhich pair of the given material could be used in addition to the torch and the ball to demonstrate formation of shadow and reflection of light?

A Shadow: cardboard sheet, Reflection: mirror B Shadow: tracing paper, Reflection: glass sheet C Shadow: cardboard sheet, Reflection: tracing paper D Shadow: glass sheet, Reflection: mirror

10. The image shows the setup of the reflection and shadow formation.What can be concluded by the observation?

A shadow forms when light is blocked by an object, whereas reflection is bouncing of light B shadow forms when light passes through an object, whereas reflection is absorption of light C a shadow forms when the light is blocked by an object, whereas reflection is absorption of light D a shadow forms when the light passes through an object, whereas reflection is bouncing of light