Physics Why the needle of iron swims on water surface when it is kept gently ? Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water Due to surface tension It will remain under the water, when it will displace more water than its weight Due to its shape The density of needle is less than that of water ANSWER DOWNLOAD EXAMIANS APP
Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Work as efficiently as on the earth Work with reduced efficiency Work with increased efficiency Not work at all Work as efficiently as on the earth Work with reduced efficiency Work with increased efficiency Not work at all ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following options correctly explains the term heat budget? It is a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation It is the radiation from the earth in the form of long waves. It is the amount of heat which the surface of earth receives from the sun. It is a mode of transfer of heat through matter by molecular activity. It is the balance between incoming and outgoing radiation It is the radiation from the earth in the form of long waves. It is the amount of heat which the surface of earth receives from the sun. ANSWER DOWNLOAD EXAMIANS APP
Physics The unit for measuring electric power is the Watts Watts Steridian Volts Watts Watts Steridian Volts ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of ozone layer, which rays will enter into atmosphere? Ultraviolet Infrared Visible X-rays Ultraviolet Infrared Visible X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Clouds float in the atmosphere because of their Low density Low temperature Low viscosity Low pressure Low density Low temperature Low viscosity Low pressure ANSWER DOWNLOAD EXAMIANS APP
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