MEDIUM
12th CBSE
IMPORTANT
Earn 100

Draw a circuit diagram of a potential divider using a cell and a rheostat. Also, mark the output terminals.

Important Questions on Sample Paper II

HARD
12th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 12>Chapter 17 - Sample Paper II>SAMPLE PAPER>Q 12
If magnetic monopoles existed, how would Gauss’s law of magnetism be modified?
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 12>Chapter 17 - Sample Paper II>SAMPLE PAPER>Q 13
From molecular viewpoint, discuss the temperature dependence of susceptibility for diamagnetism, paramagnetism and ferromagnetism.
HARD
12th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 12>Chapter 17 - Sample Paper II>SAMPLE PAPER>Q 14
A lamp is connected in series with a capacitor. Predict your observations for dc and ac connections. What happens in each case if the capacitance of the capacitor is reduced?
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 12>Chapter 17 - Sample Paper II>SAMPLE PAPER>Q 15
A plane electromagnetic wave of frequency 25 MHz travels in free space along the x-direction. At a particular point in space and time.E=6.3j V/m . What is B at this point?
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 12>Chapter 17 - Sample Paper II>SAMPLE PAPER>Q 16
Define the power of a lens. Show that it is inversely proportional to the focal length of the lens.
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 12>Chapter 17 - Sample Paper II>SAMPLE PAPER>Q 17
Two slits are made one millimeter apart and the screen is placed one meter away. What is the fringe separation when blue-green light of wavelength 500 nm is used?
MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 12>Chapter 17 - Sample Paper II>SAMPLE PAPER>Q 18

A message signal of frequency 10 kHz and peak voltage of  10 volts is used to modulate a carrier of frequency 1 MHz and peak voltage of 20 volts. Determine modulation index 

MEDIUM
12th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 12>Chapter 17 - Sample Paper II>SAMPLE PAPER>Q 18

A message signal of frequency 10 kHz and peak voltage of  10 volts is used to modulate a carrier of frequency 1 MHz and peak voltage of 20 volts. Determine the sidebands produced.