iCON Education - Units & Measurement and Dimensions BITSAT Test

Question 1: Palette 1/4

BITSAT 2024 MCQ

You measure two quantities as $ A=1.0 \mathrm{~m} \pm 0.2 \mathrm{~m} $, $ B=2.0 . \mathrm{m} \pm 0.2 \mathrm{~m} $. We should report correct value for $ \sqrt{A B} $ as

A

$ 1.4 \mathrm{~m} \pm 0.4 \mathrm{~m} $

B

$ 1.41 \mathrm{~m} \pm 0.15 \mathrm{~m} $

C

$ 1.4 \mathrm{~m} \pm 0.3 \mathrm{~m} $

D

$ 1.4 \mathrm{~m} \pm 0.2 \mathrm{~m} $

Question 2: Palette 2/4

BITSAT 2021 MCQ

If nth division of main scale coincides with (n + 1)^th division of vernier scale. The least count of the vernier is (Given, one main scale division is equal to a units)

A

${{a + 1} \over {n + 1}}$

B

${a \over n}$

C

${a \over {n + 1}}$

D

${{a + 1} \over n}$

Question 3: Palette 3/4

BITSAT 2020 MCQ

The length of the rectangle is l = 15.2 cm and breadth is b = 2.9 cm and the minimum possible measurement by scale = 0.1 cm. Then, the area of the rectangle is (Taking significant figures into consideration)

A

44.08 cm²

B

24.8 cm²

C

44 cm²

D

94.008 cm²

Question 4: Palette 4/4

BITSAT 2020 MCQ

If L, R, C and V represent inductance, resistance, capacitance and potential difference respectively, then dimensions of ${L \over {RCV}}$ are the same as those of

A

current

B

${1 \over {current}}$

C

charge

D

${1 \over {charge}}$