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?

The quantum theory of light was given by

In the following question, out of the given four alternatives, select the one which best expresses the meaning of the given word.

Meticulous

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: Superstitions mean an irrational belief in or notion of the ominous significance of a particular thing, circumstance, or the like.
Q: This is a universal phenomenon cutting across caste, communal, and even national boundaries.
R: All over the globe, people have superstitions, although the superstitions may vary from country to country or from region to region.
S: Nor does education drives away superstitions completely.

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'.

Early marriages only not leads to high-population (1)/ and thwart the progress of our young population, (2)/ they entail an enormous amount of trouble to young mothers. (3)/ No error (4)

Which of the following Five Year Plan had the focus on ‘food, work & productivity’?

Which colour is formed when Red and Green are mixed?

Match the characteristics with their market structure:
(a) Expand out put until MC = MR
(b) Elasticity of demand depends on pricing policies of rivals