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Kriti Narang

Asked: November 7, 2019In: Class 7

Why should we not burn plastic items?

Give reasons in points.

Kriti Narang

Asked: November 7, 2019In: Class 12

What should do after completing the NCERT Books for CBSE 2020 Exams?

I have done my NCERT book of Maths. Now what to do for getting good marks in less effort.

Poll

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?

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.

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.

Kriti Narang

Asked: November 7, 2019In: Class 7

Why should we prefer to use paper bags rather than polythene bags?

Give your opinion.

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.

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.

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.

Poll

Kriti Narang

Asked: November 7, 2019In: Class 12

The Electric field at a point is

Which is true for Electric field?

1 … 3,010 3,011 3,012 … 3,015

Why should we not burn plastic items?

What should do after completing the NCERT Books for CBSE 2020 Exams?

When will CBSE Exams 2020 start?

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?

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

Why should we prefer to use paper bags rather than polythene bags?

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:

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

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

The Electric field at a point is

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NCERT Books

Where can I get NCERT books in PDF format?

NIOS

NCERT Solutions

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