Natasha Mehta Solutions for Exercise 9: EXERCISE

Author:Natasha Mehta

Natasha Mehta Science Solutions for Exercise - Natasha Mehta Solutions for Exercise 9: EXERCISE

Attempt the practice questions from Exercise 9: EXERCISE with hints and solutions to strengthen your understanding. Sciwise - A coursebook of Science solutions are prepared by Experienced Embibe Experts.

Questions from Natasha Mehta Solutions for Exercise 9: EXERCISE with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

State the position and the nature of the image formed by a convex lens when the object is placed between F and 2F.

MEDIUM
7th CBSE
IMPORTANT

State the position and nature of the image formed by a convex lens when the object is placed at 2F.

MEDIUM
7th CBSE
IMPORTANT

State the position and the nature of the image formed by a convex lens when the object is placed beyond 2F.

MEDIUM
7th CBSE
IMPORTANT

Describe Newton's disc.

HARD
7th CBSE
IMPORTANT

Why do we use reflectors that produce a parallel beam of light in vehicles by converging the rays? Why don't we use a reflector that diverge light rays so that a person can see a wider area?

MEDIUM
7th CBSE
IMPORTANT

Mirrors and lenses have made our life better. Do you agree? Answer in favour or against.

MEDIUM
7th CBSE
IMPORTANT

Draw the ray diagram to show the image of an object formed by a concave lens when the object is kept between F and 2F. 

MEDIUM
7th CBSE
IMPORTANT

Is it alright to look at the sun or bright light through a convex lens?