Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Answer
Comment
Share
Q)

Which of the following is/are not always necessary to observe a shadow?

$\begin{array}{1 1} a. Sun \\ b. Screen \\ \text{c. Source of light} \\ \text{d. Opaque object} \end{array}$

1 Answer

Home Ask Tuition Questions
Your payment for is successful.
Continue
...