Physics Indicate the false statement about the resistance of a wire It is directly proportional to the area of cross-section of wire Resistance of metallic wire increases with increase in temperature It depends on material of wire It is directly proportional to the length of wire It is directly proportional to the area of cross-section of wire Resistance of metallic wire increases with increase in temperature It depends on material of wire It is directly proportional to the length of wire ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following developed the technology of underground nuclear explosion ? Dr. Raja Ramanna Dr. P. K. Iyengar Dr. Vikram Sarabhai Dr. Homi J. Bhabha Dr. Raja Ramanna Dr. P. K. Iyengar Dr. Vikram Sarabhai Dr. Homi J. Bhabha ANSWER DOWNLOAD EXAMIANS APP
Physics What is the gravity of moon as compared to the Earth 1/4 th of Earth 1/5 th of Earth 1/8 th of Earth 1/6 th of Earth 1/4 th of Earth 1/5 th of Earth 1/8 th of Earth 1/6 th of Earth ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 4 0.1 0.05 2 4 0.1 0.05 2 ANSWER DOWNLOAD EXAMIANS APP
Physics In very cold countries alcohol is used as a thermometric liquid because Its freezing point is very low Alcohol can be coloured for its level to be seen easily Alcohol is a poor conductor of heat It will not stick to the glass tube Its freezing point is very low Alcohol can be coloured for its level to be seen easily Alcohol is a poor conductor of heat It will not stick to the glass tube ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : Ultrasound scans X-ray photos Endoscopy CAT scans Ultrasound scans X-ray photos Endoscopy CAT scans ANSWER DOWNLOAD EXAMIANS APP