Question
[(120)2 ÷24 ×25] ÷ 250
=? What will come in the place of question mark (?) in the following given question:Solution
[(120 × 120)/24 × 25 ] ÷ 250 =? (600 × 25) ÷ 250 =? ? = 60
The splitting up of white light into seven colours on passing through a glass prism is called as
Smog is a combination of β
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 β
Which of the following is the time taken for one complete oscillation of a sound wave in the density of the medium?