Caluculate the speed of light in water if speed of light in air is 3*10^8 m/s and refractive index of glass is 1.54 Correct answer will be marked as brainliest No spam answer
Which dinosaur had a smallest brain
vini785
Asked:
December 2022
The magnification formed by a concave lens of focal length of 20 cm and object is at 15 cm Correct answer will be marked as brainliest No spam