Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Will increase first and then dcrease Remain constant Increase Dacrease Will increase first and then dcrease Remain constant Increase Dacrease ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of the physical quantity Entropy? Watt per kelvin Joule per kelvin Newton per kelvin Pascal per kelvin Watt per kelvin Joule per kelvin Newton per kelvin Pascal per kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics The boiling point of liquids vary as Pressure varies Volume varies Temperature varies Density varies Pressure varies Volume varies Temperature varies Density varies ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because The exhaled warmer air rises up and goes out These provide some sunlight in the room These provide cross ventilation in the room These do not look nice in the lower part The exhaled warmer air rises up and goes out These provide some sunlight in the room These provide cross ventilation in the room These do not look nice in the lower part ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : Ultrasound scans CAT scans Endoscopy X-ray photos Ultrasound scans CAT scans Endoscopy X-ray photos ANSWER DOWNLOAD EXAMIANS APP
Physics The height of a geo-stationary satellite from the Earth's surface is approximately : None of these 36,000 km 30,000 km 42,000 km None of these 36,000 km 30,000 km 42,000 km ANSWER DOWNLOAD EXAMIANS APP