Question
Which of the following set of elements should be placed
in the place of question marks respectively (in same order from left to right) in order to complete the given expression in such a manner that A > H and D < A are definitely true? _ > _ < _ < _ ≥ _ > _Solution
1) A > B < D < E ≥ G > H                                 A > H and D < A are false. 2) H > B < A < I ≥ D > J                                    A > H and D < A are false. 3) C > H < L < A ≥ K > D                                  A > H and A > D are true. 4) D > C < H < N ≥ A > B                                 A > H and D < A are false.
The splitting up of white light into seven colours on passing through a glass prism is called as
Smog is a combination of –
The blades of a moving jet engine are an example of:
The apparatus used in the refrigeration is
Sound and light waves both have ___________ .
What is the SI unit of power?
The motion of a freely falling body is an example of ______________ accelerated motion.
Among the following materials, which is not an insulator?
Heat stored in water vapour is –
Which of the following is the time taken for one complete oscillation of a sound wave in the density of the medium?