How does the diffraction band of blue light look in comparison with the red light?

Which of the following statement is true if a body moves in a semicircular track whose radius is R

What is the percentage error in the measurement of the kinetic energy of a body, if there is a positive error of 50% in the speed of the body

Calculate the final kinetic energy of a block of mass if the mass of the block is 10kg and has a constant velocity of 10m/s. The block of mass is subjected to a retarding force of F=0.1 J/m

Choose the factor on which the orbital velocity does not depend when the satellite is orbiting close to the earth’s surface: