Asmall beam of monochromatic light in air is incident on a large plate of glass with plane-parallel sides at an angle of 30°. the index of refraction of the glass plate for this wavelength is 1.50. the angle of emergence of the light on the far side of the plate is

Answeroutward from: source;

Answer(b) both involve the use of levers;

The object's initial distance above the groundthe object's initial velocity

Year  1936,  lehman predicted that the earths 'inner core' is solid. she observed that the seismic signals during her study were bent and did not pass through instead bouncing back. later it was confirmed that the earth's inner core was solid made up of nickel-iron and had a molten outer core.