Physics Which one type of radiation has the longest wave length X-ray Ultraviolet Infrared Radio Wave X-ray Ultraviolet Infrared Radio Wave ANSWER DOWNLOAD EXAMIANS APP
Physics When hot-water is sprinkled on a hotter glass tumbler, it breaks because Glass suddenly expands Glass reacts chemically with water Glass suddenly contracts Water evaporates Glass suddenly expands Glass reacts chemically with water Glass suddenly contracts Water evaporates ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 1300 A°–3000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 1300 A°–3000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to its shape Due to surface tension It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to its shape Due to surface tension It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Protons Electrons Photoelectrons Photons Protons Electrons Photoelectrons Photons ANSWER DOWNLOAD EXAMIANS APP
Physics Where does hydroelectric energy come from? Water Air Solar All of these Water Air Solar All of these ANSWER DOWNLOAD EXAMIANS APP
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