What can be used to represent the light?

A eukaryotic organelle that can best be seen with the light microscope is the :

Which of the following methods can be used to measure the speed of light in laboratory?

Which of the following methods can be used to measure the speed of light in water?

A junction diode , in which one of the p or n - sections is made very thin, can be used to convert light energy into electrical energy, then the diode is called

Show with the help of a diagram how a total reflecting prism can be used to turn a ray of light through 90^(@) . Name one instrument in which such a prism is used.

Huygen.s principle of secondary wavelets can be used to a) deduce the laws of rectraction of light b) deduce the laws of refraction of light c) explain the transverse nature of light waves d) predict the location of a wavefront as time passes

Two converging lenses of unequal focal lengths can be used to reduce the aperture of a parallel beam of light without loosing the energy of the light. This increases the intensity. Describe how the converging lenses should be placed to do this.

The H-Bonds in solid HF can be best represented as :

The H-bonds in solid HF can be best represented as :