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Physics
Dharmendra singh
June 29 2022
Which type of modulation provide greater noise immunity during transmission of message signals?
0 Answers
#Communication Systems
Physics
Dharmendra singh
June 29 2022
Can two equipotential surfaces intersect each other? Give reason.
0 Answers
#Electronic Devices
Physics
Dharmendra singh
June 29 2022
What effects occur on the capacitance of a parallel plate capacitor when a dielectric material is introduced between its plates?
0 Answers
#Electrostatics
Physics
Dharmendra singh
June 29 2022
Name the defect of vision which occurs due to increase the size of eyeball.
1 Answers
#Optics
Physics
Dharmendra singh
June 29 2022
What is the colour of the sky in the absence of atmosphere?
0 Answers
#Optics
Physics
Dharmendra singh
June 29 2022
What is the nature converging lens when it is dipped in a liquid of refractive index same as lens?
0 Answers
#Optics
Physics
Priyanshu Tyagi
June 26 2022
Why neutrons are considered as ideal particle for nuclear reactions?
1 Answers
#Atoms and Nuclei
Physics
Priyanshu Tyagi
June 26 2022
Which observation led to the conclusion in the alpha particle scattering experiment that an atom has vast empty space?
1 Answers
#Atoms and Nuclei
Physics
Lochan Chandra Gupta
June 24 2022
If diameter of a wire is increased by 2 times,then how will it's resistance change?
0 Answers
#Current Electricity
Physics
Dharmendra singh
June 24 2022
A spring of force constant K is cut into three pieces of equal length.Find the force constant of each piece.
1 Answers
#Oscillations and Waves
Physics
Dharmendra singh
June 24 2022
Compressibility of pure water is (a) 0. (b) 1 (c) infinity. (d) none of these
1 Answers
#Properties of Solids and Liquids
Physics
Dharmendra singh
June 24 2022
The forbidden energy gap for germanium at absolute zero kelvin is (a) 0 EV. (b). 0.7 EV (c) 0.3 EV. (D) 5.5 EV
2 Answers
#Electronic Devices
Physics
Priyanshu Tyagi
June 24 2022
Two wire of equal length, one copper and the other manganin have same resistance, which wire is thicker?
1 Answers
#Current Electricity
Physics
Priyanshu Tyagi
June 24 2022
Why manganin is used for making standard resistor?
1 Answers
#Current Electricity
Physics
Priyanshu Tyagi
June 24 2022
The ratio of number of free electrons to holes ne/nh for two different materials A and B are 1 and <1 respectively. Name the type of semi conductor to which A and B belongs.
0 Answers
#Electronic Devices
Physics
Priyanshu Tyagi
June 24 2022
Why does the conductivity of a semi conductor change with the rise in temperature?
0 Answers
#Electronic Devices
Physics
Manish
June 24 2022
How in case of free fall you feel weightless, even though gravity is pulling you down? (Ignore Air resistance)
2 Answers
#Gravitation
Physics
RAJIV PANDEY
June 24 2022
It is believed that neutrons in the nucleus help to stable it. Then why is it observed that some nuclei are more stable than others?
0 Answers
#Atoms and Nuclei
Physics
Pooja Yadav
June 23 2022
Why do we use multiples of 11 as voltage transmission in India i.e 11kV, 22kV ?
0 Answers
#Electromagnetic Induction and Alternating Currents
Physics
Priyanshu Tyagi
June 23 2022
Why stationary charges and constant currents do not produce electromagnetic waves?
1 Answers
#Electromagnetic Waves
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Physics Topics
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Magnetic Effects of Current and Magnetics
Electromagnetic Induction and Alternating Currents
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Dual Nature of Matter and Radiation
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Some Basic Concepts in Chemistry
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