Question
Which of the following statement is correct?
>I. Speed of sound in steel is more than the speed of sound in glass. II. Speed of sound in brass is more than helium.Solution
Solids and liquids have higher mass densities (r) than gases. But the corresponding increase in both the modulus (B) of solids and liquids is much higher. The speed of the sound in Steel is 5941 (m s-1) The speed of the sound in Brass is 2,120 (m s-1) The speed of the sound in Helium is 965 (m s-1) Â
Give a single word that substitutes for the following expression:
A speech delivered without prior preparation
Select the option that can substitute the highlighted segment in the given proverb correctly. If there is no need to substitute it, select ‘No substit...
Select the option that best expresses the meaning of the bold phrase/group of words.
Several houses had to be demolished to decongest the road. ...
Select the option that can be used as a one-word substitute for the given group of words.
A person having significant experience in an occupation
Give a single word that substitutes for the following expression:
A man who is excessively preoccupied with his own appearance
Choose the option which can be substituted for the given words/sentence.
Behaviour in which somebody pretends to have moral standards or opinions t... Among the given alternatives, find the word which can be the best substitute for the given sentence.
One who often talks of his achievements...
A government in which all the powers are concentrated on the hands of officers?
Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No subst...
Select the option that can be used as a one-word substitute for the given group of words.
One who examines a company’s financial records
