Physics and Measurement (NEST (National Entrance Screening Test) Physics): Questions 4 - 5 of 5

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Question number: 4

» Physics and Measurement » Dimensions of Physical Quantities

Appeared in Year: 2009

MCQ▾

Question

A physical quantity Equation is expected to behave, according to theory, as Equation , where Equation are unknown positive constants. Measurements are made for Equation for a number of values of Equation , including Equation . The best way to proceed to verify the relation and to determine Equation and Equation is –

Choices

Choice (4) Response

a.

To plot Equation vs Equation . Employ the relation Equation for some Equation . Take the average value of Equation .

b.

To plot Equation vs Equation . Slope will give Equation .

c.

To find Equation for each measurement. Plot Equation vs Equation and fit it to a straight line. Slope of the line will give Equation and intercept will give Equation .

d.

To plot Equation vs Equation for various values of Equation till we get a straight line graph. Then the slope of the line gives Equation .

Question number: 5

» Physics and Measurement » Dimensional Analysis and Its Applications

Appeared in Year: 2014

MCQ▾

Question

The dimensions of charge Equation can be written in terms of length Equation , energy Equation , temperature Equation , and permittivity of free space Equation as Equation . Here,

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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