HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Important Questions

Explain analytically how the stationary waves are formed

Show that all harmonics are present on a stretched string between two rigid supports.

Differentiate between free and forced vibrations.

Discuss different modes of vibrations in an air column of a pipe open at both the ends.

Explain the formation of stationary waves by analytical method. Show that nodes and antinodes are equally spaced in stationary waves.

In the law of tension, the fundamental frequency of the vibrating string is, ______   

A sonometer wire of length 1 m is stretched by a weight of 10 kg. The fundamental frequency of vibration is 100 Hz. Determine the linear density of the material of the wire.

State Wein's displacement law

Draw a neat labelled diagram for Ferry's perfectly black body.

Show graphical representation of energy distribution spectrum of perfectly black body.

State the advantages of potentiometer over voltmeter.

State any four assumptions of kinetic theory of gases.

Define potential gradient of the potentiometer wire.

How is potential gradient measured? Explain.

Distinguish between a potentiometer and a voltmeter.

A voltmeter has a resistance of 30 Ω. What will be its reading, when it is connected across a cell of emf 2 V having internal resistance 10 Ω?

On what factors do the degrees of freedom depend?

Draw a p-V diagram and explain the concept of positive and negative work. Give one example each.

Four resistances 6Ω, 6Ω, 6Ω and 18Ω form a Wheatstone bridge. Find the resistance which connected across the 18Ω resistance will balance the network.

Explain with a neat circuit diagram. How you will determine the unknown resistances using a meter bridge.