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Kriti Narang

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Kriti Narang
Poll
Kriti Narang
Asked: November 9, 2019In: Class 10

Depletion of ozone is mainly due to

Vote for correct answer.

cbseclass 10class 9ncertscience
  • 1 1 Answer
  • 608 Views
  • 6 Votes
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Kriti Narang
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Kriti Narang
Asked: November 7, 2019In: Sample Papers

When will CBSE Exams 2020 start?

Will it start in Feb or as usual in March 2020?

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  • 1 1 Answer
  • 401 Views
  • 11 Votes
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Kriti Narang
Poll
Kriti Narang
Asked: November 7, 2019In: Class 12

Audio sine waves of 3 kHz frequency are used to amplitude modulate a carrier signal of 1.5 MHz. Which of the following statements are true?

Which one is correct.

cbseclass 12class 12 physicscommunication systemsncertphysics
  • 1 1 Answer
  • 480 Views
  • 7 Votes
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Kriti Narang
Poll
Kriti Narang
Asked: November 7, 2019In: Class 12

A 100m long antenna is mounted on a 500m tall building. The complex can become a transmission tower for waves with λ.

Select the correct one.

cbsecbse exams 2020class 12class 12 physicsncertncert solutionsphysics
  • 1 1 Answer
  • 755 Views
  • 6 Votes
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Kriti Narang
Poll
Kriti Narang
Asked: November 7, 2019In: Class 12

Three waves A, B and C of frequencies 1600 kHz, 5 MHz and 60 MHz, respectively are to be transmitted from one place to another. Which of the following is the most appropriate mode of communication:

Select the correct answers.

cbsecbse exams 2020class 12class 12 physicscommunication systemsncertncert solutions
  • 1 1 Answer
  • 663 Views
  • 8 Votes
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Kriti Narang
Poll
Kriti Narang
Asked: November 7, 2019In: Class 12

A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz, using amplitude modulation. The frequencies of the side bands will be

Select the correct one.

cbseclass 12class 12 physicscommunication systemsncertphysics
  • 1 1 Answer
  • 350 Views
  • 6 Votes
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Kriti Narang
Poll
Kriti Narang
Asked: November 7, 2019In: Class 12

A male voice after modulation-transmission sounds like that of a female to the receiver. The problem is due to

Which one is correct as per you. 12th students must try.

cbsecbse exams 2020class 12class 12 physicscommunication systemsncertphysics
  • 1 1 Answer
  • 409 Views
  • 6 Votes
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Kriti Narang
Poll
Kriti Narang
Asked: November 7, 2019In: Class 12

The Electric field at a point is

Which is true for Electric field?

cbseclass 12class 12 physicsncertphysics
  • 1 1 Answer
  • 485 Views
  • 6 Votes
Answer
Kriti Narang
Poll
Kriti Narang
Asked: November 7, 2019In: Class 12

A positively charged particle is released from rest in an uniform electric field. The electric potential energy of the charge

Which is correct.

cbsecbse 2020class 12class 12 physicsncertphysics
  • 1 1 Answer
  • 1k Views
  • 6 Votes
Answer
Kriti Narang
Poll
Kriti Narang
Asked: November 7, 2019In: Class 12

Equipotential surfaces

Select one option.

cbseclass 12class 12 physicsncertphysics
  • 1 1 Answer
  • 364 Views
  • 6 Votes
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