Physics

# A thermometer has wrong calibrations. It reads melting point of ice as $-10^{o}C$ and reads $60^{o}C$ at temperature of $50^{o}C$. Temperature of boiling point noted by this thermometer will be (All temperature are note d atmospheric pressure)

$130^{o}C$

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

Q1 Single Correct Medium
The dimensions of Wien's constant are
• A. $[ML^0TK]$
• B. $[M^0LT^0K]$
• C. $[M^0L^0TK]$
• D. $[MLTK]$4

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q2 Single Correct Medium
Which of the following is incorrect statement ?
• A. A dimensionally correct equation may be correct
• B. A dimensionally correct equation may be incorrect
• C. A dimensionally incorrect equation may be correct
• D. A dimensionally incorrect equation is incorrect

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q3 Single Correct Medium
In an experiment for determining the value of acceleration due to gravity (g) using a simple pendulum, the following observations were recorded:
Length of the string (l) = $98.0$cm
Diameter of the bob (d) = $2.56$cm
Time for $10$ oscillations (T) = $20.0 s$
Calculate the value of g with maximum permissible absolute error and the percentage relative error.
• A. $(9.80 \pm 0.11) ms^{-2}$
• B. $(9.80 \pm 0.12) ms^{-2}$
• C. $(10.80 \pm 0.11) ms^{-2}$
• D. $(9.9 \pm 0.11) ms^{-2}$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q4 Subjective Medium
The diameter of a wire as measured by screw gauge was found to be  $2.620, \ 2.625, \ 2.628 \ and \ 2. 626 cm$. Calculate fractional error.

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q5 Passage Hard
These questions consist of two statement, each printed as assertion and reason. While answering these question you are required to cheese any one of the following five responses.

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020