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1
AP EAPCET 2021 - 20th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

One angstrom $$(\mathop A\limits^o )$$ is equal to

A
10$$^{-6}$$ mm
B
10$$^{-7}$$ mm
C
10$$^{-8}$$ mm
D
10$$^{-9}$$ mm
2
AP EAPCET 2021 - 20th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

The dimensions of stress is

A
$$\left[\mathrm{ML}^{-1} \mathrm{~T}^{-2}\right]$$
B
$$\left[\mathrm{ML}^{-3} \mathrm{~T}^{-1}\right]$$
C
$$\left[M L^2 T^{-2}\right]$$
D
$$\left[\mathrm{ML}^{-3} \mathrm{~T}^{-2}\right]$$
3
AP EAPCET 2021 - 19th August Evening Shift
MCQ (Single Correct Answer)
+1
-0

The speed of ripples $$(v)$$ on water surface depends on surface tension $$(\sigma)$$, density $$(\rho)$$ and wavelength $$(\lambda)$$. Then, the square of speed $$(v)$$ is proportional to

A
$$\frac{\sigma}{\rho \lambda}$$
B
$$\frac{\rho}{\sigma \lambda}$$
C
$$\frac{\lambda}{\sigma \rho}$$
D
$$\sqrt{\frac{\rho \lambda}{\sigma}}$$
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