Question
According to the 7th edition of Swachh Survekshan
Awards 2022, most of the clean cities were from which state?Solution
Mostly cities were from the state Madhya Pradesh.
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?