COLLEGE PHYSICS
What are Derived units?
Who scientific notation is used to express data? Write some conventions for indicating the units
Define light year and its unit?
x) Differentiate between random and systematic erron xi What information does get from significant figures in measurement?
What are the rules for zero to be a significant figure?
3 Write answers of any EIGHT questions.
What is rounding off data?
What are the rules for addition and subtraction in terms of sig What are the rules for multiplication and desion is terms of sign
iv) Differentiate between precision and accuracy
What are the rules for the assessment of uncertainty in case of addition and traction What are the rules for the assessment of uncertainty in vi)
vii) What are the rules for the assessment of uncert
viil) What are the rules for the assessment of uncertainty in
of many t
ix) What are the rules for the assessment of uncertainty in case of a
How do you check a formula for omensional consatency?
Check the correctness of the relation Ex when
the speed of transverse
length and mass m
What are the domination of angular momentum
Q.No. 4 Write answers of any SIX questions Find the dimensions and hence the St units efficient of ty this relation of Stowe w for the drug te
a spherical object of radius moving with velocity given a F Add the following asses given in kg up to appropnateprection 2.185.000, 118 and 5.32
Write the dimentions of (0) Pressure 1) Denalty iv) The length and width of a rectangular plate are measur 14.299 cm and 21.23 mpy
plate How many significant figures are there in the 0012
vi) Calculate resistance from the following data with maxime certainty
521017
vil) Calculate the volume of
a sphere
with maximum possible uncertainty
2:25 0.01 cm viii) Round off the following numbers to one decimal place
() 19.96 () 19.527 () 19.9564 The time of 30 vibrations of a certain pendulum recurded by a stop watch accurate upte time period with maximum possible uncertainty.
b)
SECTION !!
Attempt any 3 (three) questions.
(a) Define physics? Discuss its types and its relationship with other braches of sciences? (6) The length, breadth and thickness of a sheet are 3.233 m, 2.105 m and 1.05 cm respectively Calculate t sheet correct up to the appropriate significant digits.
Q.No.6
(a) Write in detail about errors and its types? And how errors are removed or minimized? Add the following masses given in kg up to appropriate precision, 2.183, 0.089, 11.8, 5.32
(b) Q.No.7
(a) What is dimensional analysis? How it is used in homogeneity principle and to find unknown equation?
(b) What are the dimensions and units of gravitational constant & in the formula? F-G m. m
Q.No.8
(a) Describe the significant figures and degree of accuracy. Also give examples
(b) Suppose, we are told that the acceleration of a particle moving in a circle of radius r. with uniform speed v
proportional to some power of r, say, and some power of v, say v, determine the powers of and
Q.No.9
(a)
How will the total uncertainty in the final result? Explain it fully in different cases Find teds and hence, the SI units of coefficient of viscosity in the relation of stokes law for the drag? a spherical object of radius r moying with velocity v given as 6 m/sec
(b)
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