Physics, asked by chinmaybhardwaj360, 9 months ago

A convex lens forms a real image of an object for its two different positions on a screen. If height of the image in both the cases be 8

cm and 2 cm, then height of the object

Answers

Answered by Anonymous

1

Answer:

The correct option is (D) 8.

Explanation: height of object = h0 = √(h1h2) here h1 = 16 cm h2 = 4 cm

hence h0 = √(16 × 4) = 8 cml

Previous Question

Next Question

Similar questions

Science, 4 months ago

Whant is the full form of angle i and angle r ? what is the relation between them?

Math, 4 months ago

give me answer ................

Math, 4 months ago

The area of the parallelogram ABCD in which AB = 6.2 cm and the perpendicular from C on AB is 5 cm is * 1 point (a) 30 cm2 (b) 29 cm2 (c) 28 cm2 (d) 31 cm2 ...

Math, 9 months ago

The sum of 3 terms in an Arithmetic Progression is -3 and their product is 8. Find the terms. CLASS X CBSE...

Science, 9 months ago

When some wheat dough was left in the open for a few days, it started emitting a foul smell. State, why?

Political Science, 1 year ago

why in 9th class political science book refer president as she and the prime minister as he?

Math, 1 year ago

Consider the two parties ALICE and BOB uses the Diffie-Hellman key exchange technique. Assume that the modulus (p) is 5 and the primitive root (g) is 3. ALICE chooses 2 and BOB chooses 4 as their secrets respectively. What is the common secret key between the two parties? (a) 1 (b) 5 (c) 3 (d) 2...

Math, 1 year ago

8x3-6x2-4x+3 when x=√2...