Question

Unit - 1 Nature of Physical World And Measurement Part A 1. Choose the best answer 3. One of the combinations from the fundamental physical constant is The unit of this expression is ko b) me d) If the error in the measurement of radius is 2% then the error in the determination of volume of the square will be a 89 b) 2% c) 4% Ir the length and time period of an oscillating pendulum have error of 1% and 3% respectively then the error in measurement of acceleration due to gravity is a) 4 b) 5% c) 6% d)7% The length of the body is measured as 3.51m if the accuracy is 0.01m then the percentage error in the measurement is a) 351% b) 1% c) 0.28% d) 0.035% Which of the following has the highest number of significant figures? a) 0.007m2 b) 2.64x 1024 kg c) 0.0006032 m d) 6.32003 = 3.14, then the value of x2 is a) 9.8596 b) 9.860 C) 9.86 Which of the following pairs of physical quantities have sa d) 9.9 dimension? a) force and power b) torque and energy c) torque and power d) force and torque The dimensional formula of Planck's constant h is al (MLT-") b) (MLT-" c) (MLT-11 d) MLT-1​

Answer 1

Answer:

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