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The International Day of the World's Indigenous Peoples is observed on 9 August each year to raise awareness and protect the rights of the world's indigenous population. This event also recognizes the achievements and contributions that indigenous people make to improve world issues such as environmental protection.
This relationship between the angles of incidence and refraction and the indices of refraction of the two media is known as ________.
What is the SI unit of luminous flux?
AC Dynamo is the device used to convert
For a wave, wavelength divided by the time period equals ________.
Temperature of the Sun is measured by___________
Which lens is used in sodium reflector lamp ?
For which type of motion, the distance time graph is not a straight line and can be any kind of curve?
The momentum of a body depends on:
Einstein was awarded Nobel Prize for –
Which device uses ultrasonic waves for getting images of internal organs of human body?
