Physics

# If dimensions of A and B are different, then which of the following operation may valid?

$\frac { A }{ B }$

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Single Correct Medium Published on 18th 08, 2020
Questions 244531
Subjects 8
Chapters 125
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#### Realted Questions

Q1 Single Correct Medium
Given that $Y = a \sin \omega t + bt + ct^2 \cos \omega t$. The unit of $abc$ is same as that of
• A. $y$
• B. $\dfrac{y}{t}$
• C. $\left(\dfrac{y}{t}\right)^2$
• D. $\left(\dfrac{y}{t}\right)^3$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q2 Matrix Medium
Match the following :
 Deca 10$^3$ Hecto 10$^6$ Kilo 10$^1$ Mega 10$^2$ Giga 10$^8$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q3 Subjective Medium
A barometer is faulty. When the true barometer reading are 73 and 75 cm of Hg, the faulty barometer reads 69 cm and 70 cm respectively. What is the total length of the barometer tube?

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q4 Single Correct Medium
Given that the displacement of an oscillating particle is given by $y = A sin [Bx+Ct+d]$. The dimensional formula for (ABCD) is:
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• B. ${ M }^{ 0 }{ L }^{ 0 }{ T }^{ -1 }$
• C. ${ M }^{ 0 }{ L }^{ -1 }{ T }^{ -1 }$
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Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q5 Subjective Medium
The wavelength of light of a particular colour is 5800 $\mathring{A}$. What is its order of magnitude in meter?

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020