Questions

________________ refers to the superposing of two or more coherent waves to produce regions of maxima and minima in space, according to the principle of superposition.

The pitch of a sound depends on its ____.

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'.

Mothers keep on (A)/ to encouraging their children (B)/ to study. (C)/ No Error (D)

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.

An ideal policeman is a myth. You come __________ him only in crime fiction. ____________ elusive is 'good policing', an idea ___________ even the best of criminal justice thinkers have found it difficult to define. This is why, in what is a chaotic world, we have to reluctantly _____________ for an imperfect policeman and ________ inadequate system.

____________ elusive is 'good policing',

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.

Once ______________, it is that time of the year when the examination results season may be just ending and the admissions season is in progress, and marked by a _________________ of two contradictory voices — often from the same people — that rose to deafening ____________ from April to May when the results of various school boards _________________. The first voice __________________ those who succeeded and did wondrously well.

the results of various school boards _________________.

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: All these ensure that the world we live in grows a new skin every few years.
Q: These influences do, of course, work on humankind but they have the greatest impact on that section of society which is on the threshold of discovery-discovery of the self, of life and of living.
R: The life and times of two generations cannot be identical or even similar, thanks to modern research, progress in science, faster and easier communications and even distasteful things like inflation and population explosion.
S: These changes in due course affect our thinking and influence our attitudes, expectations, behavioural patterns and values.

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.

Many persons of good education unconsciously circumscribe themselves ___________ a small vocabulary. They have a knowledge of hundreds of desirable wordswhich they do not put _________ practical use in their speech or writing. Many, too, are conscious __________ a poverty of language, which engenders in them a senseof timidity and self-___________. The method used for building a large vocabulary has __________ been confined to the study of single words.

do not put _________ practical use in their

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.

The ___________ conversation-starter cultivated by years of ostentatious ___________ society is a simple ‘how do you do?’ followed by a polite shaking of hands and an optional comment on the weather. But aside __________ the mental trauma this ritual causes to those unfortunate souls who suffer from clammy hands, it also doesn’t provide much incentive to go on. Fascinating as the weather can be from time _________ time, one can speak only so much about the ____________ of the sun and express sympathy towards the depressions the Bay of Bengal faces.

years of ostentatious ___________ society is a simple