Question

Match the physical quantities given in column A to their S I units given in column B : | (A) | (B) | |-----|-----| | (a) Pressure | (i) cubic metre | | (b) Temperature | (ii) kilogram | | (c) Density | (iii) pascal | | (d) Mass | (iv) kelvin | | (e) Volume | (v) kilogram per cubic metre |

The non S I and S I units of some physical quantities are given in column A and column B respectively. Match the units belonging to the same physical quantity: | (A) | (B) | |-----|-----| | (a) degree celsius | (i) kilogram | | (b) centimetre | (ii) pascal | | (c) gram per centimetre cube | (iii) metre | | (d) bar | (iv) kelvin | | (e) milligram | (v) kilogram per metre cube |

A girl stands on a box having 60 cm length, 40 cm breadth and 20 cm width in three ways. In which of the following cases, pressure exerted by the brick will be

The same force is applied on a surface, but the area over which it acts is made half. What happens to the pressure?