JU Admission Test 2019-2020 (Unit-H, Set-E)

1. Who gave the law of upward force acting on the substances immersed in liquid?

2. $\frac{\tan ^{2}\left(\alpha+\frac{\pi}{4}\right)-1}{\tan ^{2}\left(\alpha+\frac{\pi}{4}\right)+1}=?$

3. If $\omega$ is a complex unitary cube root, then $(1-\omega)^{2}\left(1-\omega^{2}\right)^{2}=$ ?

4. The distance between the two lenses of a astronomical telescope having magnification 5 is $0.36 \mathrm{~m}$. Find out the focal length of the two lenses.

5. What is the SI unit of cubic angle?