Sahil

Asked: March 3, 2020In: Class 11

Physics sample paper

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11class 11physics

Anonymous

Asked: February 14, 2020In: Class 9

यदि पृथ्वी की त्रिज्या R=6.37×10 (6)मी गुरुत्वीय त्वरण g=9.8m/sec तथा गुरुत्वीय नियतांक G=6.67×10 (-11) N×m/kg है तो ज्ञात कीजिये (1) पृथ्वी का द्रव्यमान (2) पृथ्वी का मध्य घनत्व ।

Class 9th lesson 10

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Sudeep yadav

Asked: January 11, 2020In: Class 9

10 गाम की एक गोली 10की घात 3 मी/सेकेण्ड के वेग से बालू के बोरे से टकराती है और 20 सेमी अन्दर धँस जाती है ज्ञात कीजिए (1) गोली पर लगने वाला पतिरोधात्मक अचर बल (2) गोली के इसथर होने मे लगा समय

Physics

9thphysicsscience

Arun yadav

Asked: January 6, 2020In: Class 9

5 kg ki a vashtu 10m/sec ke beg se gatiman hi ese rokne ke liye 20N ka bal lagaya jata hi kar rukne me kitna smay lagega

class 9th questions physics lesson 9

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Arun yadav

Asked: January 6, 2020In: Class 9

A motarcar ka dravman 1000kg hi viramaavastha se chalkar kar 10second me 20m/sec ka beg prapt krati hi yant kijiy(1) kar ka tvarn (2) kar ke sambeg me privartan(3) kar par aaropit bal

Mera class 9th 3 questions hal kar dijiy

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Rudra Ponkshe

Asked: November 14, 2019In: Class 9

What is the kinetic energy of an object of mass 20kg at a height of 4m

Please help by telling answer

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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.

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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.

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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.

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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.

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