Physics In which one of the following the phenomenon of total internal reflection of light is used ? Twinkling of stars Formation of rainbow Formation of mirage Working of binoculars Twinkling of stars Formation of rainbow Formation of mirage Working of binoculars ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a good electrical conductor? Peat Graphite Charcoal Diamond Peat Graphite Charcoal Diamond ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Rowing a boat in the lake Wind mill grinding wheat grain Driving a car to cover a distance Paddling the bicycle to cover a distance Rowing a boat in the lake Wind mill grinding wheat grain Driving a car to cover a distance Paddling the bicycle to cover a distance ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Can be of any shape Should be made of a good conductor but can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Can be of any shape Should be made of a good conductor but can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse? Both 25 W Neither 100 W Both 25 W Neither 100 W ANSWER DOWNLOAD EXAMIANS APP
Physics Ball pen functions on the principle of : Viscosity Boyle's Law Gravitational force Surface tension Viscosity Boyle's Law Gravitational force Surface tension ANSWER DOWNLOAD EXAMIANS APP
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