Physics

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Single Correct Medium Published on 18th 08, 2020
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Realted Questions

Q1 Subjective Medium
How many types of errors are there?

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

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Q2 Single Correct Medium

The dimension of $$ \cfrac {1}{2}\epsilon_o E^2$$ permittivity of free space and E:
Intensity of electric field) is



      

  • A. $$[MLT^{-1}]$$
  • B. $$[ML^2T^{-1}]$$
  • C. $$[ML^{-1}T^{-2}]$$
  • D. $$[ML^2T^{-2}]$$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

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Q3 Single Correct Medium
Mass of a substance measured by the student is $$1.56,1.60,1.62,1.52 , \mathrm { gm }$$.The average absolute error in the measurement is
  • A. $$0.03 \mathrm { gm }$$
  • B. $$0.02 \mathrm { gm }$$
  • C. $$0.89 \mathrm { gm }$$
  • D. $$0.2 \mathrm { gm }$$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

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Q4 Single Correct Medium
The sun's angular diameter is measured to be $$1920 ''$$. The distance of the sun from the earth is $$1.496 \times 10^{11} m$$. What is the diameter of the sun?
  • A. $$1 \times 10^9 m$$
  • B. $$1.39 \times 10^9 m$$
  • C. $$13.9 \times 10^9 m$$
  • D. $$139 \times 10^9 m$$

Asked in: Physics - Units and Measurement


1 Verified Answer | Published on 18th 08, 2020

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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

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