question_answer

Direction: Read the passage carefully and answer the following question. A beam of white light falling on a glass prism gets split into seven colours marked 1 to 7 as shown in figure.

Which of the following statement is correct?

A) The colours in the order of increasing wavelength are 1 <2<3<4<5<6<7.

B) The colours in the order of increasing frequency are 1 <2<3<4<5<6<7.

C) The colours in the order of decreasing speed are 7>6>5>4>3>2>1.

D) The colours in the order of decreasing deviation are 1>2>3>4>5>6>7.