The radii of curvature of the faces of a double convex lens are 20 cm and 30 cm. If focal length of the lens is 36 cm find the refractive index of the material of the lens?
The correct answer is C
A storm of protest ________________ after council officials released critical figures just hours before a crunch meeting.
Select the most appropriate option to fill in the blank.
The doctor ______ her to stop eating fried food.
Select the most appropriate option to fill in the blank.
The scientist conducted experiments in the ___________ laboratory, equipped with adva...
Select the most appropriate option to complete the given sentence.
He booked the tickets for the show _____.
As usual, a lot of people were …….in the King’s darbar.
Select the most appropriate option to fill in the blank.
The nationalists followed a policy of non-violence to make their ______ successful.
The critics did not see the heiress as a serious filmmaker, only as a ____________ who was bored with her life.
Given below are a few sentences with two blanks in each. Below each sentence are given four pair of words among which one pair might fill the blank. If...
Cryptocurrencies represent a novel and rapidly _______ form of digital currency that has the ________ to reshape financial systems and transactions.
The comfortable chaise in the corner of the room was her favourite spot to ____ with a good book and relax.