Physics Friction can be reduced by changing from Dynamic to Static Sliding to Rolling Static to Dynamic Rolling to Sliding Dynamic to Static Sliding to Rolling Static to Dynamic Rolling to Sliding ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has got more heat capacity ? Gold piece Benzene Iron piece Water Gold piece Benzene Iron piece Water ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnet is constructed with which of the following ? Aluminium Soft Iron Steel Nickel Aluminium Soft Iron Steel Nickel ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to its shape The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension Due to its shape The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Every hot object emits ________ Visible light Infrared rays X–rays Ultraviolet rays Visible light Infrared rays X–rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become 14C C/7 C 7C 14C C/7 C 7C ANSWER DOWNLOAD EXAMIANS APP