What are some examples of pseudoscience that you can see in someone’s life. (7-10 examples )

What happens to the light rays when they hit the specimen?

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?

The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.