Physics Indicate the false statement about the resistance of a wire It is directly proportional to the length of wire It depends on material of wire It is directly proportional to the area of cross-section of wire Resistance of metallic wire increases with increase in temperature It is directly proportional to the length of wire It depends on material of wire It is directly proportional to the area of cross-section of wire Resistance of metallic wire increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 8500 A° – 9800 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 1300 A°–3000 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 1300 A°–3000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics If the diameter of a capillary is doubled, then the rise of water in it will be Two times No change Four times Half Two times No change Four times Half ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following pair is Incorrect?I. Parsec - DistanceII. Barrel - LiquidIII. Light year - Time Only I and III Only III Only II All are correct Only I and III Only III Only II All are correct ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Resistivity Length Area of cross section Temperature Resistivity Length Area of cross section Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Who gave black hole theory? Isaac Newton None of these Albert Einstein Stephen Hawking Isaac Newton None of these Albert Einstein Stephen Hawking ANSWER DOWNLOAD EXAMIANS APP