Mukul Sahgal and A C Sahgal Solutions for Exercise 3: ORAL QUESTIONS
Mukul Sahgal Science Solutions for Exercise - Mukul Sahgal and A C Sahgal Solutions for Exercise 3: ORAL QUESTIONS
Attempt the practice questions from Exercise 3: ORAL QUESTIONS with hints and solutions to strengthen your understanding. Living Science 7 solutions are prepared by Experienced Embibe Experts.
Questions from Mukul Sahgal and A C Sahgal Solutions for Exercise 3: ORAL QUESTIONS with Hints & Solutions
A lens is thicker in the middle than at the edges. Can it be used to burn a piece of paper by using sunlight?
If all rays falling on a concave lens are parallel to the principal axis of the lens, what happens to them after they pass through the lens?
If all rays falling on a convex lens are parallel to the principal axis of the lens, what happens to them after they pass through the lens?
There is only one point on a concave or convex lens, a ray passing through which is not deviated at all. Where does this point lie and what is it called?
A lens is found to form both real and virtual images of an object, depending on the position of the object with respect to the lens. What kind of lens is it- convex or concave?
Sunlight consists of light of only one colour. Do you agree? Give reasons
