Start

Mathmania

Teacher tutorials

PUMPA - SMART LEARNING

எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

Book Free Demo

Subjects
Science State Board
Class 7
Light
Textbook questions

5. Choose the correct answer V

Exercise condition:

3 m.

1. Sivarajan placed a meter stick in the playground at 7.00 am in the morning. How will the shadow of the stick at noon look in comparison to the one in the morning

There will be no shadow
The shadow will be longer and on the opposite side as the sun
The shadow will be shorter and on the same side as the sun
The shadow will be shorter

2. The image formed by a pinhole camera is inverted because,

light travels in straight lines
light rays become laterally inverted as they pass through a pinhole camera
light rays pass through the pinhole
light rays get reflected

3. Which of the following facts explain how shadows are formed?

a. Light travels in straight lines

b. Opaque bodies do not allow light to pass through them

c. Reflection occurs at a smooth surfaces like mirrors d. Lateral inversion happens

both A and D
both A and B
both B and A
only A

Previous exercise

Exit to the topic

Next exercise

Send feedback

Did you find an error?

Send it to us!