📘Level 1
⏱ Time: 00:00
1) The number of base units for measuring physical quantities according to the SI system are
2) Which of the following is not the name of physical quantity?
3) Light year is the unit of :
4) A dimensionless quantity
5) The unit of Luminous intensity is:
6) Which of the following is not one of the fundamental quantities?
7) Which of the following ratios express pressure?
8) Which of the following is the unit of work?
9) Which of the following physical quantity has the dimensional formula [M1L2T-3]
10) The dimensions of kinetic energy is
11) The number of significant figures in the number 0.0028 is
12) The number of significant figures in the number 2.64×1024 kg is
13) What will be the unit of physical quantity which is a ratio of energy and work?
14) What is the correct product of 4.32 and 2.0 with proper significant figures?
15) Which of the following has 3 significant figures?
16) Zero error comes under which type of error?
17) Which of the following is not true about dimensional analysis?
18) The dimensions of quantity having unit m/s² are:
19) What is the value of 1 light year in meters approximately?
20) If force is proportional to length, then what is the dimensional formula of the proportionality constant?
21) Newton-second is the unit of:
22) Subtracting 3.42 m from 13.4 m gives:
23) Convert 1.79 m into feet (1 m = 3.28 ft). What is the correct answer with proper significant figures?
24) If x = at + bt², then what is the unit of b?
25) Which of the following is not a fundamental quantity?
26) A dimensionless quantity:
27) Which pair has same dimensional formula?
28) Which pair of quantities have same dimensions?
29) What are the dimensions of the power of a lens?
30) Plane angle and solid angle have:
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