Questions

An object of 1.2 cm height is placed 30 cm before a concave mirror of focal length of 20 cm toget a real image at a distance of 60 cm from the mirror. What is the height of the image formed?

___ is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

Which among the following is used to generate light, to weld metals?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Little knowledge of playing volleyball (1)/ that she possessed proved to be (2)/helpful at the time of inaugural match. (3)/ No Error (4)

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

Demure

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.

We often feel, in such an environment, that our social sphere _____________ around us. We can see, in quantitative values — the number of likes, re-posts, shares — the interest garnered by anything created by us. This makes social interaction slightly more ___________, when we start to think of it in number terms. It becomes easier to see it in visual terms, rather ________ emotive cues. And _____________ that happens we are motivated to reveal only those parts of ____________ that we know will trigger a considerable quantitative response.

Who discovered Uranus?

Who was the first to score a perfect 10 in Olympics in gymnastics?