Which lens is used for correcting short ?sightedness ?
For projectiles fired at identical speeds but various angles from the ground, neglecting air resistance and the curvature of the earth, at what angle will the maximumhorizontal distance be attained?
Explain what is time?
Which of the surfaces of a thermos flask are silvered and why?
the resolutions of a michelson interferometer operating with a light source of 640nm wavelenth is A.1280nm B.640nm C.80 nm D.1nm
How can it be proved that the window glass id colored ?
What is the velocity of wireless waves ?
What is time?
What is the difference between emf & current
What is the Electric motor ?
a ball of mass 500g moving with a velocity of 10m/s collides with another ball of mass 250g.after the impact,the second ball moved off with a velocity of 8m/s calculate the final velocity of the first ball.
why is a coin in a vessel not vissible when seen fromjust below the edge of the vessel but can be viewed from the same position when water is poured into the vessel ?
a bullet of mass m travelling at velocity v has a kinetic energy of ½mv2 when it strikes a ballistic pendulum of mass 1000 grams. The kinetic energy of the twomasses moving together just after the moment of impact is about a thousand times smaller than ½mv2. What has most of the bullets initial kinetic energy beenconverted to?