+91-8076753736 support@wiredfaculty.com

Sponsor Area

Acids, Bases And Salts

Question

Wired Faculty App

Magnification of a concave lens is
always less than unity
always equal to unity
always greater than unity
sometimes less than and sometimes greater than unity

Solution

A.

always less than unity

Some More Questions From Acids, Bases and Salts Chapter

What is light? Mention its two important uses.

Briefly discuss the various theories about the nature of light.

What is the wavelength range of visible light? What is the importance of this wavelength range?

Define a ray of light and a beam light. What are the different types of beams of light?

What is an optical medium? How can we classify different media on the basis of their behaviour towards light?

What do you mean by reflection, refraction and absorption of light?

Which type of phenomenon (reflection or refraction) occurs when light falls on (i) a highly polished surface like a mirror and (ii) a transparent medium like glass or water?

What is meant by the optical image of an object?

What are real and virtual images? Can these images be obtained on a screen? Give reasons in support of your answer.

Give three points of differences between real and virtual images.

Sponsor Area

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation