Check Tamil Nadu 12th Physics Public Exam 16th March 2020 Analysis, Answer Key: Students who are successfully completed +2 Economics Exam March 2020 verify Part-1 one mark question correct answers serial number wise.
The Tamil Nadu Directorate Government Examinations allotted B series Physics Question paper tentative answers verify now. Final 12th Physics Public Exam Answer Key 2020 released soon, Invites the objections online mode from the students.
Organization: Tamil Nadu DGE
Name Of The Exam: Plus Two Physics Public Exam
Exam Date: 16th March 2020
Total Marks For Exam: 70 Marks
Exam Duration: 3.00 Hours
Exam Language: Tamil, English Medium
Tamil Nadu 12th Physics Public Exam 2020 Analysis
Question Number 1: The frequency range of 30 MHz to 400 GHz is used for
a). Satellite communication
b). Ground wave propogation
c). Space wave propagation
d). Sky wave propagation
Question Number 2: In an oscillating LC circuit the maximum charge on the capacitor Q. The charge on the capacitor when the energy is stored equally between the electric and magnetic filed is
a). Q b). Q/2 c). Q/√3, d). Q/√2
Question Number 3: Type of material which emit white light in LED
a). GaInN b). Sic c). AIGap d). GaAsP
Question Number 4: A particle of mass m, carrying charge q is accelerated through a potential of V (Volt) When this accelerated charge comes under the influence of perpendicular magnetic filed, the force acting on it is
a). √zq³BV/m³, b). √zq³BV/m, c). √zq³B²V/2m d). √zq³B²V/m³
Question Number 5: Charging current for a capacitor is 0.2 A, find the displacement current
a). Zero, b). 0.2 A c). 0.4 A d). 0.1 A
Question Number 6: In Bohr Atom Model when the principal quantum number (n) increases the velocity of electron
a). Increases and then decreases b). increases c). decreases d). remains constant
TN 12th Physics Public Exam Answer Key 2020
Question: The nucleus is approximately spherical in shape. Then the surface area of nucleus having mass number A varies as
12th Public Exam Physics Answer Key 2020
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