Statement I : A thermos flask is made of double-walled glass bottles.
Statement II: Metals are goog. conductors while gas and air are poor conductors of heat

Statement I: The tyres of an aircraft are slightly conducting. Statement II: If a conductor is grounded, the extra charge induced on the conductor will flow to the ground.

Statement I: The tyres of an aircraft are slightly conducting. Statement II: If a conductor is grounded, the extra charge induced on the conductor will flow to the ground.

State whether the following statements are true or false: mercury is a poor conductor of heat.

True or False - If false give the correct statement. Mercury is a poor conductor of heat.

Statement- 1 : Snow is better insulator than ice. Statement - 2 : Snow contain air packet and air is a bad conductor of heat.

Statement- 1 : Snow is better insulator than ice. Statement - 2 : Snow contain air packet and air is a bad conductor of heat.

Statement- 1 : Snow is better insulator than ice. Statement - 2 : Snow contain air packet and air is a bad conductor of heat.