Physics, asked by siddanihasmitha, 4 months ago

3.
A concave lens of focal length 30 cm placed in contact with a plane mirror acts as
1) Convex mirror of focal length 60 cm
2) Concave mirror of focal length 15 cm
3) Convex mirror of focal length 15 cm
4) Concave mirror of focal length 60cm

Answers

Answered by meghubariya

0

Answer:

2 answer is right I think

Previous Question

Next Question

Similar questions

Chemistry, 1 month ago

what is thermodynamics ??? explain !!!

Geography, 1 month ago

why are maps without scale invalid...

English, 1 month ago

a) The injured man was taken to the hospital.(underline the participle adjectives in the following sentence)...

Science, 4 months ago

A patient has been eating healthy foods, but her respiratory system is not working as well as it usually does. Can this patient still exercise normally? A. Yes, her body can get everything it needs for energy from molecules in food. B. No, her respiratory system does not have enough oxygen to combine together to release energy. C. No, her cells do not have enough oxygen to react with glucose and...

Chemistry, 4 months ago

50 mcqs of waves oscilation (quiez) 1. What is the phase difference between the prongs of the tuning fork.

Math, 10 months ago

LCM of two numbers is 138. but their GCD is 23. the numbers are in the ratio 1 is to 6. which is the largest number among the two numbers?

Science, 10 months ago

Excretion is different in multicellular organisms compared to unicellular organisms.how...

Geography, 10 months ago

Why are forests sparsely populated?