1
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

The area of a rectangular field (in m2) of length 55.3 m and breadth 25 m after rounding off the value for correct significant digits is

A
138 $$\times$$ 101
B
1382
C
1382.5
D
14 $$\times$$ 102
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
The E and G respectively denote energy and gravitational constant, then $${E \over G}$$ has the dimensions of :
A
[M2] [L$$-$$2] [T$$-$$1]
B
[M2] [L$$-$$1] [T0]
C
[M] [L$$-$$1] [T$$-$$1]
D
[M] [L0] [T0]
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
A screw gauge gives the following readings when used to measure the diameter of a wire

Main scale reading : 0 mm

Circular scale reading : 52 divisions

Given that 1 mm on main scale corresponds to 100 divisions on the circular scale. The diameter of the wire from the above data is :
A
0.052 cm
B
0.52 cm
C
0.026 cm
D
0.26 cm
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
If force [F], acceleration [A] and time [T] are chosen as the fundamental physical quantities. Find the dimensions of energy.
A
[F] [A$$-$$1] [T]
B
[F] [A] [T]
C
[F] [A] [T2]
D
[F] [A] [T$$-$$1]
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