Pure silicon
Copper
Nichrome
Platinum
For which one of the following is capillarity not the only reason?
For which one of the following, Diodes are generally used for
Forged documents are detected by
Formation of shadows can be explained by
Formula for distance is
Four solid cubes of different metals, each one having a mass of one kg are weighed in water select the correct statement:
Four wires of same material and of dimensions as mentioned below are stretched by a load of same magnitude separately. Which one of them will be elongated maximum?
Friction is caused by the _ on the two surfaces in contact.
Friction losses are more in the following type of instrument
Frictional force acts in
