Physics Red light has a wavelength of 70 A°. In "nm" it is 0.07 nm 7 nm 700 nm 70 nm 0.07 nm 7 nm 700 nm 70 nm ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1k2/k1+k2 2k1k2/k1+k2 None K1+k2/k1k2 K1k2/k1+k2 2k1k2/k1+k2 None K1+k2/k1k2 ANSWER DOWNLOAD EXAMIANS APP
Physics The audio signals of TV are Velocity modulated Frequency modulated Amplitude modulated Unmodulated Velocity modulated Frequency modulated Amplitude modulated Unmodulated ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following physical quantities has the same dimensions as that of Planck's constant? Angular momentum Force Potential energy Linear momentum Angular momentum Force Potential energy Linear momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Sun's heat reaches us by Conduction Radiation Convection Reflection Conduction Radiation Convection Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following device is best suited for measuring the temperature inside metallurgical furnaces? Thermometer Thermistor Pyrometer Thermocouple Thermometer Thermistor Pyrometer Thermocouple ANSWER DOWNLOAD EXAMIANS APP