Question

(16)
SECTION - B
Attempt any Eight (Each 2 Marks)
Q. 3] Define fundamental quantities and derived quantities and give their examples.
Qr 4] Distinguish between scalars & vectors
Q.5] Discuss the factors on which the time period of conical pendulum depends.
Q. 6] Explain the terms Inertial and Non-inertial frame of reference.
Q.7] State and explain Newtons law of gravitation.
Q. 8] State Hookes law under which condition Hookes law holds good.
Q. 9] Explain the construction of calorimeter with the help of neat labeled diagram.
Q.10] A steel wire is acted upon by a load of 10N. Calculate the extension produced in the wire, if the
strain energy stored in the wire is 1.1x10²)
Q.11) Normal human body temperature in Fahrenheit is 98.4°F. What is the body temperature in °C
Q.12] If g = 9.8 m/s? on the surface if the earth, find the acceleration due to gravity if h = R/2 from the
surface of the earth.
Q.13] Find 'a' if Å = 31 - 25°+ 4k and B = a1 + 21 - k are perpendicular to one another.​

Answer 1

Answer:

novghfhgjdfuyhftedgfgjcggf

Answer 2

Explanation:

A.(3) the fundamental quantity is independent physical quantity that is not possible to express in other quantity aka dirived quantity. it is used as pillars for another quantities .In physics length,mass, time,electric temperature etc are examples of fundamental quantity