Question

8. Which of the following statement is/are
incorrect about shadows: (a) Shadow is the
dark outline of an object formed on a
screen due to light. (b) A screen is required
to observe a shadow. (c) It is formed on the
opposite side of the light source. (d) Images
are similar to shadows.
O only d)
O both b) and c)
O only b)
O both c) and d)​

Answer 1

Answer:

opt A(only D)

hope it help u

Answer 2

it is not visible on the following quadratic equations