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TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A

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12th Standard English Medium Physics Subject Creative 1 Mark Questions with Solution Part - II

Published on: 18/06/2021

QB365 provides detailed and simple solution for every Creative Questions in class 12 Physics Subject. It will helps to get more idea about question pattern in
every Creative questions with solution.

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Std: 12th Standard - Physics

chapter: - Creative Questions

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Questions:

Multiple Choice Question

10 x 1 = 10

The light reflected by plane mirror may form a real images ____________.

(a)

If the rays incident on the mirror are diverging

(b)

If the rays incident on the mirror are converging

(c)

If the object is placed very close to mirror

(d)

Under no circumstance

ln NPN transistors, when the emitter-base junction is forward-biased, the direction of conventional current is from _____________

(a)

base to emitter

(b)

emitter to base

(c)

collector to base

(d)

base to collector

In AM receiver, if 900 kHz station is tuned, then the local oscillator will have to produce a frequency of ______________.

(a)

600 kHz

(b)

455 kHz

(c)

10.7 MHz

(d)

1355 kHz

Rydberg's constant, R = ?

(a)

\(\frac { m{ e }^{ 2 }e }{ 8{ Z }^{ 2 }{ h }^{ 3 } } \)

(b)

\(\frac { { Ze }^{ 2 }me }{ 8{ \pi }^{ 2 }h } \)

(c)

\(\frac { { me }^{ 4 } }{ 8{ { \epsilon }_{ 0 } }^{ 2 }c{ h }^{ 3 } } \)

(d)

\(\frac { me }{ 8{ \epsilon }_{ 0 }ch } \)

The ionization energy of hydrogen atom is -13.6e V. The energy corresponding to a transition between 3rd and 4th orbit is ______________.

(a)

3.40 eV

(b)

1.51 eV

(c)

0.85 eV

(d)

0.66 eV

The electric and magnetic field of an EM wave are _____________.

(a)

in phase and perpendicular to each other

(b)

in phase and parallel to each other

(c)

in opposite phase and perpendicular to each other

(d)

in opposite phase and parallel to each other

A current carrying conductor is associated with _______________.

(a)

electric field

(b)

magnetic field

(c)

electro magnetic

(d)

all these

Which of the following cannot be stepped up in a transformer?

(a)

input current

(b)

input voltage

(c)

input power

(d)

all

The intensity of electric field at a point is

(a)

the force experienced by a charge q

(b)

the work done in bringing unit positive charge from infinity to that point

(c)

the positive gradient of the potential

(d)

the negative gradient of the potential

10.

The emf of a battery is 3 volts and internal resistance 0.125 \(\Omega \) . The difference of potential at the terminal of battery when connected across an external resistance of 1 \(\Omega \) is ______________.

(a)

1.67 V

(b)

0.67 V

(c)

2.67 V

(d)

3.67 V