निम्न में से किस रंग का सबसे लंबा तरंगदैर्घ्य है?
Which of the following colours has the longest wavelength?
Collection of verified questions for Prakash under General Science. Includes previous year exam questions with official answer keys and step-by-step solutions.
Which of the following colours has the longest wavelength?
The image formed on the retina of human eye is -
Consider the following statements - 1. Long wavelength light is scattered much more than short wavelength light. 2. The speed of visible light in water is 0.95 times that in vacuum. 3. Radio waves are produced by rapidly oscillating electrical currents. 4. To detect overspeeding vehicles, police use the Doppler effect of reflected short radio waves. Which of these statements are correct?
An endoscope is -
The wavelength limits of the visible spectrum are -
The wavelength of visible light for which the human eye is most sensitive is -
The speed of light will be minimum while passing through -
The velocity of light in vacuum is approximately -
Sunlight reaches Earth in -
When light waves pass from air to glass, the variables affected are -
In which of the following radiations will the energy per quantum be maximum?
Light appears to travel in a straight line because -
The speed of light in air depends on -
The wavelength range of visible light spreads between -
Which of the following statements is true?
Solar radiation is visible in which of the following ranges?
Which of the following has the maximum velocity?
The time taken by sunlight to reach the surface of the Earth is approximately -
The speed of light is -
Light from the Sun reaches the Earth in about -
The velocity of light is maximum in -
The nature of light radiation is -