Questions

A lens has a power +2.0 D. The type of lens and its focal length will be

The acceleration due to gravity at the surface of the earth (mass M and radius R) is proportional to ___.

What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?

A unit of power is called a

Mount Semeru, an active volcano, located in

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.

Cyber security has ________________interesting parallel to terrorism. _________________ are asymmetric. Ensuring security of data, information, and communication is considerably harder than hacking into a system. The attacker has an inherent ________________ in both conventional terrorism and cyber attacks. In the case _________________ state­sponsored attacks, the challenges are of a much ________________ magnitude.

___________ are asymmetric.

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 English language is ___________ complex in character that it can scarcely be learned by rule, and can __________ be mastered by the study of such idioms and phrases as are provided in this book; but just as care must be taken to place every accent or stress _________ the proper syllable in the ______________ of every word it contains, so must the stress or emphasis be placed on the proper word in ___________ sentence spoken.

proper word in ___________ sentence spoken.

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.

There is a barrier among the egghead and (1)/ the hoipolloi and it would be lazy (2)/ idealism to ignore it. (3)/ No error (4)