Have you tried drawing a diagram?ellieee said:Homework Statement:: why will angle of incidence on the surface of the lens be greater when point light source is nearer to the lens?
Relevant Equations:: nil
nil
COVID-19 is a highly contagious respiratory illness caused by the novel coronavirus. It was first identified in Wuhan, China in December 2019 and has since spread globally, resulting in a pandemic.
COVID-19 spreads primarily through respiratory droplets when an infected person talks, coughs, or sneezes. These droplets can enter the body through the eyes, nose, or mouth of a person who is in close contact with someone who has the virus. It can also spread by touching a surface or object contaminated with the virus and then touching one's face.
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Currently, there is no specific treatment for COVID-19. However, there are treatments available to manage symptoms and support the body's immune response. Several vaccines have been developed and are currently being distributed to help prevent the spread of the virus. It is important to continue following safety measures even after receiving the vaccine to protect yourself and others.