Question

A. Kritika sees her younger brother Aditya trying to
make different shadows in a room lit by a tube light.
She tells him to use a bulb or candle light instead
and then observe the shadows to be sharper and
clearer.
1. What does Aditya observe now?
2. Why did Kritika suggest this?
3. Explain with the help of a diagram.
Alliks makes pinhole​

Answer 1

Shadows can only be seen in Dark Room with the light having low intensity. Shadows only forms when the light is passing from those objects which are not transparent means the object are Opaque. (Explanation of Shadow)

1) Aditya observes the Shadow.

2) Kritika suggested him because as compared to tube light the bulb and candle having low intensity of light.