Embibe Experts Solutions for Chapter: Light, Shadows and Reflections, Exercise 1: Exercise

Reena noticed the following set up. She wants to trace the shadow formed by the light from the torch. 

Where and how will the shadow look like?

In a cricket stadium, when the floodlights were switched on at $7 \mathrm{pm}$. Sanjay noticed that multiple shadows of the stumps have appeared. The lengths of the shadows of the stumps would have

A solar eclipse occurs when the shadow of moon falls on earth. Given below is a diagrammatic representation of a solar eclipse.

In which of the places shown on earth will a partial solar eclipse be visible?

Kamal has four different materials with him. Using a burning candle he made the following observations.

Select the correct option.

Geeta placed three objects made of different materials as shown in the figure. She observed a bright spot of light at $\left(\mathrm{I}\mathrm{I}\right)$ but $\left(\mathrm{I}\mathrm{I}\mathrm{I}\right)$ would not get any spot. Then :

A pinhole camera is an optical device based on the principle of rectilinear propagation of light. It has a small hole, called pinhole through which the image of an object is obtained. Which of the following is an example of the natural pinhole camera?

A cat was kept inside a box. Four boys are trying to see the cat through four tubes inserted into the box as shown in the figure.

Which of the following boy(s) would be able to see the cat in the box?

A student uses a pinhole camera to form an image of her home. The diagram shows four possible images. Which is the correct image?