Choose the correct alternative from the following : - Assertion (A) : Safety fuses are made up of materials having a high melting point. Reason (R) : Safety fuses should be resistant to electric current.
Choose the correct alternative from the following : - Assertion (A) : Milk production in India is low a compared to other countries of the world. Reason (R) : The animal rearers in India are poor.
Choose the correct alternative from the following : - Assertion (A) : When a body is dipped in a liquid fully or partially, there is a decrease in its weight. Reason (R) : The decrease in weight is due to the higher density of the displaced liquid.
Choose the correct alternative from the following : - Assertion (A) : Inside the earth metals are present in molten state. Reason (R) : Earth absorbs the sun's rays.
Choose the correct alternative from the following : - Assertion (A) : Diamond is used for cutting glass. Reason (R) : Diamond has a high refractive index.