Multiple Choice
Period of simple harmonic motion of a spiral spring or elastic thread is given by
A) T = 2π × (extension produced/gravitational field strength
B) T = 2π × (extension produced/√(gravitational field strength
C) T = 2π × (√(extension produced) /gravitational field strength
D) T = 2π × √(extension produced/gravitational field strength
Correct Answer:
Verified
Correct Answer:
Verified
Q10: Velocity of escape is equal to<br>A)r ×
Q11: Assuming uniform density of the core, the
Q12: Force that acts on a mass of
Q13: In order to slip one surface over
Q14: Dimensions of strain are {{}}<br>A)[L]<br>B)[M] [L]-1[T]-2<br>C)[L]-1<br>D)It's a
Q16: Van der Waals derived an expression for
Q17: Velocity of sound waves through any material
Q18: Due to energy dissipation by viscous forces
Q19: An object moving in a circle of
Q20: Young's modulus is defined as<br>A)tensile strain/tensile stress<br>B)tensile