1
COMEDK 2021
MCQ (Single Correct Answer)
+1
-0

The relative errors in the measurement of two lengths 1.02 cm $$\pm$$ 0.01 cm and 9.89 cm $$\pm$$ 0.01 cm is

A
$$\pm$$1% and $$\pm$$0.1%
B
$$\pm$$1% and $$\pm$$0.2%
C
$$\pm$$1% and $$\pm$$1%
D
$$\pm$$0.1% and $$\pm$$1%
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Suppose refractive index $$\alpha$$ is given as $$ \alpha = A + {B \over {{\lambda ^2}}}$$, where A and B are constants and $$\lambda$$ is wavelength, then dimensions of B are same as that of

A
wavelength
B
volume
C
pressure
D
area
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