Physics In a refrigerator what produces the cooling ? The ice which deposits on the freezer The evaporation of a volatile liquid The sudden expansion of a compressed gas None of these The ice which deposits on the freezer The evaporation of a volatile liquid The sudden expansion of a compressed gas None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic packing factor of body centred cubic structure (bcc) is 0.73 0.63 0.69 0.68 0.73 0.63 0.69 0.68 ANSWER DOWNLOAD EXAMIANS APP
Physics Thermal expansion of materials arises from Weak bonds Asymmetry of potential energy curve Strong bonds Thermal vibrations Weak bonds Asymmetry of potential energy curve Strong bonds Thermal vibrations ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : Endoscopy Ultrasound scans CAT scans X-ray photos Endoscopy Ultrasound scans CAT scans X-ray photos ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Refraction of the sun light Reflection of the sun light from water surface Scattering of the sunlight by water molecules Interference of the sun light from water surface Refraction of the sun light Reflection of the sun light from water surface Scattering of the sunlight by water molecules Interference of the sun light from water surface ANSWER DOWNLOAD EXAMIANS APP
Physics According to the theory of relativity, which of the following always remains constant ? Velocity of light Time Space Length of an object Velocity of light Time Space Length of an object ANSWER DOWNLOAD EXAMIANS APP
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