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  • 1 answers

Tushar Goyal 7 years ago

The distance between slit should be comparable to wavelength of incident light.
  • 1 answers

Sahil Saini 7 years ago

Solve revision paper and last 5 years
  • 1 answers

Sunnny Xdr 7 years ago

Direction of electric feild is need to be considered..- electric filed radiate inward while + electric field radiate otward..draw arrows on both side of sheet..if arrows from diiferent sheet are in oppposite directon electric field are substracted and if they are in same direction they are added..
  • 1 answers

Sunnny Xdr 7 years ago

Minimum energy required to emit a electron from a metal surface
  • 1 answers

Sunnny Xdr 7 years ago

Go through past ques papers nd ull get idea of imp derivations
  • 1 answers

Khushi Pandey 7 years ago

Aman dhattarwal on YouTube
  • 1 answers

Ram Shabad 7 years ago

This is concept of charge near by the uncharge body her potential is equal all charge body and apply coloumb low ang find new charge
  • 1 answers

Gourav Verma 7 years ago

Because short wave is easily reflected back to the earth from ionosphere.
  • 1 answers

Ram Shabad 7 years ago

Becouse it inside the electic field is zero and only surface of sphare is electric field and the proprty of electric line is always move stright and dont inter sect it hance that why
  • 0 answers
  • 1 answers

Jyotishmita Kurmi 7 years, 1 month ago

When a beam of completely plane polarised light is passed through analyser, the intensity 'I' of transmitted light varies directly as the square of the cosine of the angle theta between the transmission directions of polariser and analyser
  • 1 answers

Andy King 7 years, 1 month ago

RADIO direction and ranging Radar was developed secretly for military use by several nations in the period before and during World War II. ... The term RADAR was coined in 1940 by the United States Navy as an acronym for RAdio Detection And Ranging or RAdio Direction And Ranging.
  • 3 answers

Jyotishmita Kurmi 7 years, 1 month ago

Ommitted topic for 2019

Supandeep Singh 7 years, 1 month ago

i dont know

Sahil Saini 7 years, 1 month ago

It is an electronic device.which is used to carry (+)ive charged particles through an insulating belt.It is mostly used in necluar reactions.(This topic is cutoffed from CBSE)
  • 1 answers

Kamal Pandey 7 years, 1 month ago

Parallel plate means its dimensions . It is a capacitor which store charge in form of energy.
  • 1 answers

Akash Chaudhary 7 years, 1 month ago

LCR circuit,Transformer, AC Genrater
  • 1 answers

Priyashu Kumar 5 years, 10 months ago

A refracting telescope
  • 3 answers

Kamal Pandey 7 years, 1 month ago

Keyboard is not scientific.

Kamal Pandey 7 years, 1 month ago

No change as phi =q÷ E•. Hence it doesn't depends on radius.

Lalit Tiwari 7 years, 1 month ago

I guess there will be no change
  • 1 answers

Sahil Saini 7 years, 1 month ago

F= k Q1.Q2.r^/r3
  • 0 answers

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