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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?

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.

Poll

Kriti Narang

Asked: November 7, 2019In: Class 12

Equipotential surfaces

Select one option.

Poll

Priti

Asked: November 5, 2019In: CBSE Syllabus

Will the CBSE Syllabus for 2022-2023 decrease or increase?

What do you think about CBSE Syllabus 2022-2023?

1 … 1,160 1,161 1,162 1,163

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

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

Equipotential surfaces

Will the CBSE Syllabus for 2022-2023 decrease or increase?

Which is the best website providing NCERT Solutions?

What would be the CBSE Exam 2022-2023 Date Sheet for ...

NCERT Books

पुराने सिक्के खरीदने वाले के व्हाट्सएप नंबर क्या है?

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