Physics
(a) Name the colour code of wire which is connected to the metallic body of an appliance according to the new convention.
(b) Which part of electrical appliance is earthed?
Related Questions
(a) Name the two major parts of a SONAR.
(b) Name the type of vibrations produced in the given case: A freely suspended pendulum vibrating about its mean position.
Which will be the position of centre of gravity of
(a) Parallelogram
(b) Hollow cone?
Calculate the mass of ice required to lower the temperature of 600 g of water at 50°C to water at 12°C. (Take, specific latent heat of ice = 366 Jg-1 and specific heat capacity of water = 4.2 Jg-1°C-1)
Draw ray diagrams showing the image formation by a convex lens when an object is placed
(a) between optical centre and focus of the lens.
(b) between focus and twice the focal length of the lens.