Which of the following does not change when light travels from one medium to another? 1) Velocity 2) Wavelength 3) Frequency 4) Refractive index

Faraday constant : 1) depends on the amount of the electrolyte 2) depends on the current passed in the electrolyte 3) depends on the volume of the solvent in which the ...

On heating, the resistance of semiconductor : 1) increases 2) decreases 3) remains same 4) first increases and then decreases

The radiations used in the treatment of muscle ache are : 1) infrared 2) microwave 3) UV 4) X-Ray

Light-year’ is a unit of : 1) time 2) speed 3) distance 4) intensity of light

The first man who placed his foot on the moon is : 1) Leonov 2) Neil Armstrong 3) Michael Collins 4) James Van Allen

The highest viscosity among the following is of : 1) water 2) air 3) blood 4) honey

Milk is a poor source of : 1) calcium 2) protein 3) vitamin C 4) carbohydrate

The breath test conducted by police to check drunken driver has which one of the following on the filter paper? 1) Potassium dichromate-sulfuric acid 2) Potassium sulfuric acid, permanganate 3) Silica ...

Glucose is converted to ethyl alcohol by the enzyme : 1) maltase 2) invertase 3) zymase 4) diastase