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Riya

Asked: November 9, 2019In: Class 10

Why is blood circulation in human heart called double circulation?

Why?

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.

1 … 2,876 2,877 2,878 … 2,882

Why is blood circulation in human heart called double circulation?

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

Which is the best website providing NCERT Solutions?

NCERT Books

Where can I get NCERT books in PDF format?

NIOS

NCERT Solutions

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