|
What is dimensional equation?
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|
0
|
1174
|
August 16, 2016
|
|
A quantity has dimensions. Is it must that it has units also?
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|
0
|
712
|
August 16, 2016
|
|
Can a quantity have units but no dimensions?
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0
|
1896
|
August 16, 2016
|
|
What is dimensional formula?
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0
|
1368
|
August 16, 2016
|
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Give the maximum no. of dimensions of base quantities used in mechanics to represent all the physical quantities
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0
|
445
|
August 16, 2016
|
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What is understood by dimensions?
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0
|
549
|
August 16, 2016
|
|
The mean diameter of a thin brass rod is to be measured by Vernier callipers. Why 100 observations should be preferred over to measurements?
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0
|
599
|
August 16, 2016
|
|
How can the random errors be minimised?
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0
|
1229
|
August 15, 2016
|
|
What is zero error?
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0
|
3619
|
August 15, 2016
|
|
What is calibration error?
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0
|
784
|
August 15, 2016
|
|
Define the Accuracy
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0
|
534
|
August 15, 2016
|
|
What is meant by error?
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0
|
862
|
August 15, 2016
|
|
Define the Precision
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0
|
750
|
August 15, 2016
|
|
Which are the main types of errors in a physical measurement?
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|
0
|
489
|
August 15, 2016
|
|
What is the role of power (index) of a measurable in the formula used for calculations for a quantity in regard to the error in the quantity as determined in the given experiment?
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0
|
508
|
August 15, 2016
|
|
State the principle of homogeneity of dimensions?
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0
|
5345
|
August 15, 2016
|
|
Will the dimensions of a physical quantity be same, what even be the units in which it is measured? Why?
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|
0
|
474
|
August 15, 2016
|
|
Write the dimensions of (i) Gravitational constant, (ii) Planck's constant, (iii) Torque, (iv) Surface tension, (v) Angular momentum
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|
0
|
1788
|
August 15, 2016
|
|
Name at least two quantities each whose dimensions are
|
|
1
|
477
|
August 15, 2016
|
|
The density of a cube is calculated by measuring the length of its one side and its mass. If the maximum errors in the measurement of mass and length are 3% and 2% respectively, then what is the maximum possible error in the measurement of density?
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0
|
5309
|
August 15, 2016
|
|
A research worker takes 100 careful readings in an experiment If he repeats the same experiment by taking 400 readings, then by what factor will the probable error be reduced?
|
|
0
|
2975
|
August 15, 2016
|
|
Write the dimensional formula of wave-length and frequency of a wave?
|
|
0
|
2521
|
August 15, 2016
|
|
Write the dimensional formula of torque
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|
0
|
902
|
August 15, 2016
|
|
A LASER is source of very intense, monochromatic and unidirectional beam of light These properties of a laser light can be exploited to measure long distances
|
|
1
|
1196
|
August 15, 2016
|
|
The sun is a hot plasma (ionized matter) with its inner core at a temperature exceeding 107 K and its outer surface at a temperature of about 6000 K
|
|
1
|
1233
|
August 15, 2016
|
|
The nearest star to our solar system is 4.29 light years away. How much is this distance in terms of parsecs?
|
|
1
|
1502
|
August 15, 2016
|
|
Explain this common observation clearly
|
|
1
|
1217
|
August 15, 2016
|
|
Point out the measurable likely to create the maximum error in die following experimental measurement: Young's Modulus' Y' of the material of the beam is calculated using the relation
|
|
0
|
3866
|
August 15, 2016
|
|
What are the limitations of dimensional analysis?
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|
0
|
36117
|
August 15, 2016
|
|
How is one system of units converted to another with the help of dimensions
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|
0
|
2393
|
August 15, 2016
|