Questions

The focal length of a concave mirror with a radius of curvature of 20.0 cm is :

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Capacious

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

an arm and a leg

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.

I could not find the book.

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of thefour alternatives.

When the kerosene burned, the fuel in the tank below would be __________ pressure, and __________ a small circular flame would appear in the burner. The valve had tobe opened to let more kerosene vapour to the burner and pumping resumed. With the increase in pressure, the burner flame would spread _________ a loud noise. Tolower the flame, the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted theflame to be bigger, you had to hit the piston again. Pump stoves are still in vogue.

below would be __________ pressure

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

Four words are given, out of which only one word is spelt correctly. Choose the correctly spelt word and click the button corresponding to it.

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Photography is the _____________ we can get to stopping time. The camera is our pause button, the cork we use to stop time from running out. And the photo album is the most potent time machine ever ____________, one that transports you to a curated past where everything exists ________ you choose to remember it,one that lets you revisit ________ just people and places and ages, but the hidden crannies of ________ own memory and the strange landscape of emotions that lies beyond.

everything exists ________ you choose to