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Derive an expression for the difference in tensions at the highest and lowest point for a particle performing the vertical circular motion.
Concept: Vertical Circular Motion
Derive an expression for critical velocity of a satellite revolving around the earth in a circular orbit.
Concept: Acceleration Due to Gravity and Its Variation with Altitude and Depth
Explain why an astronaut in an orbiting satellite has a feeling of weightlessness.
Concept: Weightlessness
State Kepler's law of orbit and law of equal areas.
Concept: Kepler’s Laws
Why two or more mercury drops form a single drop when brought in contact with each other?
Concept: Fluid and Its Properties
Two capillary tubes of radii 0.6 cm and 0.3 cm are dipped in the same liquid. The ratio of heights through which the liquid will rise in the tubes is ______.
Concept: Fluid and Its Properties
Define surface tension
Concept: Surface Tension
What are cohesive forces?
Concept: Fluid and Its Properties
Derive an expression for the terminal velocity of the sphere falling under gravity through a viscous medium.
Concept: Stokes’ Law
Prove the theorem of parallel axes about moment of inertia
Concept: Theorems of Perpendicular and Parallel Axes
Explain the physical significance of radius of gyration
Concept: Physical Significance of M.I (Moment of Inertia)
State and prove Kirchoff’s law of heat radiation.
Concept: Kirchhoff’s Law of Heat Radiation and Its Theoretical Proof
On what factors do the degrees of freedom depend?
Concept: Law of Equipartition of Energy
Explain the spectral distribution of blackbody radiation.
Concept: Spectral Distribution of Blackbody Radiation
The average energy per molecule is proportional to ______
Concept: Gases and Its Characteristics
Under which condition laws of Boyle, Charles, and Gay-Lussac are valid?
Concept: Interpretation of Temperature in Kinetic Theory
On what, the values of absorption coefficient, reflection coefficient, and transmission coefficient depend, in addition to the material of the object on which the radiation is an incident?
Concept: Interpretation of Temperature in Kinetic Theory
Above what temperature, all bodies radiate electromagnetic radiation?
Concept: Interpretation of Temperature in Kinetic Theory
Show the graphical representation of radiant power of a black body per unit range of wavelength as a function of wavelength.
Concept: Perfect Blackbody
1000 calories of radiant heat are incident on a body. If the body absorbs 400 calories of heat, find the coefficient of emission of the body.
Concept: Emission of Heat Radiation
