Physics What is refractive index ? It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. None of above It is defined as the product of speed of light in medium and in vacuum. ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Audible wave Infrasonic wave Microwave Ultrasonic wave Audible wave Infrasonic wave Microwave Ultrasonic wave ANSWER DOWNLOAD EXAMIANS APP
Physics A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to Change in momentum Change in acceleration Outward pull on him Inertia of motion Change in momentum Change in acceleration Outward pull on him Inertia of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following have the same unit ? Torque and moment of inertia Torque and angular momentum Work and torque Work and power Torque and moment of inertia Torque and angular momentum Work and torque Work and power ANSWER DOWNLOAD EXAMIANS APP
Physics The group of solar cells joined together in a definite pattern is called a Solar cooker Solar heater Battery Solar cell panel Solar cooker Solar heater Battery Solar cell panel ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used for regulated electric supply ? Gun diode Zener diode Tunnel diode Junction diode Gun diode Zener diode Tunnel diode Junction diode ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS