What is Collection and Organisation of DataDataMr Gupta has done a survey in a reputed school to find out the favourite game of the students. The information collected from the students of Class VI to Class XII are as follows:GameBasket ballVolley ballF…

What are the Characteristics of LightThe Characteristics of light :      Light is an electromagnetic wave.Light travels in a straight line.Light is a transverse wave, and does not need any medium to travel. Light can travel through vaccum. Its speed thro…

Relation Between Wave Velocity, Frequency And Wavelength For A Periodic Wave\( \text{wave velocity}=\frac{\text{distance covered}}{\text{Time}\,\,\text{taken}} \) \( =\frac{\text{wave}\,\text{length}}{\text{Time}\,\text{taken}} \) \( \text{or v}=\frac{\l…

Circular MotionWhen a body moves in such a way that its distance from a fixed point always remains constant, then its motion is said to be the circular motion.Uniform circular motion: If the radius vector sweeps out equal angles in equal times, then its…