When I have one cubic foot of air enclosed within a
weightless container and place it on the surface of a fresh
water body of water at sea level how much mass (weight)
will it support before it sinks below the surface?
When a gun is fired, why does the guner receive the jerk ?
Why is battery used in a motor car ?
Explain about Dispension of Light ?
Explain the Fluorescence ?
Explain the Phosphorescence ?
the time period of three pendulums are given in a sequence as a= 1.27s b=0.85s c=0.99s the given sequence may not be correct arrange the time period in a correct sequence
What is supersonic?
When an object moves with constant velocity does its average velocity during any time interval differ from its instantaneous velocity at any instant?
define rectilinear propagation of light?
Why in cold countries, the water at the surface freezes and in the inner portion it is in the sate of water ?
What is the melting point of copper?
WHY IS MAGNETIC NEEDLE POINTD?