Questions

Which of the following fuels causes minimum environmental pollution?

Which type of electromagnetic radiation has the longest wavelength?

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

__________ is the 2016 Oscar Winner for Best Supporting Actor.

Find out the odd word/letters/number/number pair from the given alternatives.

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 a travelogue I read nowadays are about how the traveller went on a road less travelled ___________ some off-the-track trek or to an unknown destination or simply into the wild. How no internet ________________ is what you need to reconnect with yourself! How leaving your watch and phone __________ and going into the world of no check-ins and no updates would bring you solitude! These write-ups are laced with adjectives describing the geography of the region and filled with__________ details of the author’s days in that remote place. And, ironically, they all end with a strange advice to travel, and tell no one. I beg to _________.

and filled with __________ details of the author’s

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'.

As with people, some monkeys are lazy, (1)/ like those who sleep all day in the zoo, (2)/ and some were industrious. (3)/ No error (4)

An incident ray strikes a plane mirror at an angle of 20 deg with the mirror. The angle between the incident ray and reflected ray is ____.