Dr. K C Trikha and N K Sehgal Solutions for Chapter: Light and Shadows, Exercise 12: Something to know
Dr. K C Trikha Science Solutions for Exercise - Dr. K C Trikha and N K Sehgal Solutions for Chapter: Light and Shadows, Exercise 12: Something to know
Attempt the free practice questions on Chapter 12: Light and Shadows, Exercise 12: Something to know with hints and solutions to strengthen your understanding. The Living World A book of Science and Technology solutions are prepared by Experienced Embibe Experts.
Questions from Dr. K C Trikha and N K Sehgal Solutions for Chapter: Light and Shadows, Exercise 12: Something to know with Hints & Solutions
Objects, like the sun, which emit light of their own, are called-
An object, through which we can see partially, but not very clearly, is-
The 'something', which can change its shape and size, and may appear and disappear anywhere/anytime, is known as a-
When sun (during early morning) is behind an object, the size of its shadow in comparison to that of the object would be—
The image, formed by a pinhole camera, is-
Raghav set up the following arrangement in the science laboratory. He put (i) a steel glass (ii) a transparent glass, at the position P, one by one. Would a shadow be formed in each case? Give reason for your answer.
With the help of a diagram, show the formation of an image by a pinhole camera.
Give the meaning of the term 'Lateral inversion. Suggest how it may be used to send a 'coded (secret)' message.
