Physics Woollen cloth protects the body from cold because It reflects heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It is a good conductor of heat It reflects heat External heat rays enter into the body through the woollen cloth It is a poor conductor of heat It is a good conductor of heat ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria Ultra-violet radiation X-rays Infrared rays Microwave radiation Ultra-violet radiation X-rays Infrared rays Microwave radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Speed of light is maximum in ________ Vacuum Liquids Gases Solids Vacuum Liquids Gases Solids ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? 11.25 diopters -11.25 diopters 3.75 diopters -3.75 diopters 11.25 diopters -11.25 diopters 3.75 diopters -3.75 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics The plastic material commonly used for making gear wheels is Bakelit Nylons Polyesters Polystyrene Bakelit Nylons Polyesters Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Metallic-conductor Semi-conductor Insulator Super-conductor Metallic-conductor Semi-conductor Insulator Super-conductor ANSWER DOWNLOAD EXAMIANS APP
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