Work, Energy and Power — Physics STD 10 — Question

How does the angle of minimum deviation produces by a prism change with increase in :
the wavelength of incident light

Express nanometer (nm) in terms of Angstrom

A lens forms an upright and magnified image of an object State whether the image is real or virtual

Name the material prism required for obtaining the spectrum of ultraviolet light.

Name the material used for making fuse wire.

Give one use of electromagnetic radiations in Infrared radiation.

State how are the two resistors joined with a battery in each of the following cases when:

same current flows in each resistor

A flat coil ABCD is freely suspended between the pole pieces of a U-shaped permanent magnet with the plane of coil parallel to the magnetic field.

Name an instrument which makes use of the principle stated above.

Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving cricket ball

How is a zinc sulphide screen affected when a cathode ray beam strikes it?