Physics
Chapter No 1
Page 1 of 6
#1 If the Percentage uncertainty in area of square is 10%. Then what will be the percentage uncertainty in length of its one side?
A) 5%
B) 2%
C) 20%
D) 2.5%
#2 If the error in the radius of cylinder is 3% and length is 1% then what will be the error in the volume of cylinder?
A) 7%
B) 6%
C) 3%
D) 9%
#3 Which of the following pair has the same dimensions?
A) Force, Torque
B) Linear Momentum, Angular Momentum
C) Acceleration, Gravitational Field Strength
D) None
#4 If Uncertainty in area of a circle is 16%. What will be the uncertainty in circumference of the same circle?
A) 32%
B) 8%
C) 4%
D) 24%
#5 Red light has a wavelength of 7000Å. In µm it is
A) 0.7 µm
B) 7 µm
C) 70 µm
D) 0.07 µm
#6 The Physical quantities NOT having the same dimenstions are
A) Speed and (µo Ɛo) 1/2
B) Angular Momentum and Moment of inertia
C) Moment of Momentum and Plank's Constant
D) Both (A) and (B)
#7 Two quantities X and Y have different dimesions. Which of the following operations is physically meaningful?
A) X/Y
B) X + Y
C) X - Y
D) None of these
Page 1 of 6
Register or Login for comments
Comments: