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Shifali Bijily 6 years, 9 months ago

Snells law states that ratio of sine of angle of incidence to sine of angle of refraction for a given pair of media and light of given wavelength is a constant Sin i/sin r = n (refractive index)

Aruneeraj K 6 years, 9 months ago

Angle of incidence× refractive index of 1st=angle of refraction × refractive index of 2nd

Snehashish Datta 6 years, 9 months ago

mu=sin i/sin r
  • 1 answers

Snehashish Datta 6 years, 9 months ago

The time period of each day will be less..
  • 2 answers

Yash Tyagi 6 years, 9 months ago

Repeater is a device which takes up the signal from transmitter amplifies it and then retransmits it to reciever

Aruneeraj K 6 years, 9 months ago

It is a device which is used to Increase/enhance the given signal. It is used in long communication systems like on mountains
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Shifali Bijily 6 years, 9 months ago

Size of antenna should be comparable to the wavelength for transmission of signlas, atleast, (lambda)/4

Ankit Ajitpuria 6 years, 9 months ago

We will be given the range of transmisson(d) Since d=√2hR => h=d^2/2R Where R is radius of earth
  • 1 answers

Akshat Singh 6 years, 9 months ago

Milli ammeter does not have high resistance. Instead it is used for conversion of galvanomerter into ammeter
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Akshat Singh 6 years, 9 months ago

Theory and derivation 55 marks

Aruneeraj K 6 years, 9 months ago

15-20 marks

Ashish Shrivas 6 years, 9 months ago

15
  • 1 answers

Shivangi Mehra 6 years, 9 months ago

Ready
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Prithwi Mohanty 6 years, 9 months ago

A bandpass filter rejects low and high frequencies and allows a band of frequencies to pass through.
  • 1 answers

Shivaa Gupta 6 years, 9 months ago

The force experienced by a charged particle when it moves in magnetic and electric field is called lorentz force which is equal to sum of force experienced in electric field and force experienced in magnetic field.
  • 2 answers

Ankit Ajitpuria 6 years, 9 months ago

Additional are also imp.

Satyam Chimaniya 6 years, 9 months ago

No
  • 2 answers

Riya Singhal 6 years, 9 months ago

This numerical is also most imp.(An electron,proton and an alpha particle has the same kinetic energy.which of thse particle have the shortest wavelength?)

Riya Singhal 6 years, 9 months ago

Graphs and questions from Einstein photoelectric equation
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Riya Singhal 6 years, 9 months ago

Yes all questions of ncert are important
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Sri Nihil 6 years, 9 months ago

It is diffraction

Jayaasrii?? Jayaasrii 6 years, 9 months ago

I think so it is Photo electric effect. But iam not sure with this
  • 1 answers

Sameer Khan 6 years, 9 months ago

Acc. to Rayleigh criteria ,the two distinct images of two overlapped objects formed when first minima of object A consides with central maxima of object B

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