Physics 2nd Half Syllabus Test

Physics 2nd Half Syllabus Test

11th - 12th Grade

40 Qs

quiz-placeholder

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Physics 2nd Half Syllabus Test

Physics 2nd Half Syllabus Test

Assessment

Quiz

Physics

11th - 12th Grade

Hard

Created by

Physics seconds

Used 4+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A parallel plate condenser has uniform electric field E(V/m) in the space between the plates. if the distance between the plates is d(m) and area of each plate is A(m2) the energy (joules) stored in the condenser is.

E2Ad / ε0

ε0EAd

½ (ε0 E2)

½ ( ε0 E2 Ad)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When hydrogen atom is in its first excited level its radius is.

Four times its ground state radius

Same

Twice

Three times

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

3.4 eV

10.2 eV

12.1 eV

13.6 eV

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Energy of electron in a orbit of H-atom is

Positive

Negative

Zero

Nothing can be said

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

X-rays of λ=1A° have frequency

3×108Hz

3×1018Hz

3×1010Hz

3×1015Hz

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How is the potential within and on the surface of a conductor?

Indirectly proportional

Directly proportional

Zero

Constant

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The diagram shows the electric field lines in a region of space containing two small

charged spheres (Y and Z). Then

Y is negative and Z is positive

The magnitude of the electric field is the same everywhere

The electric field is strongest midway between Y and Z

The electric field is not zero anywhere (except infinitely far from the spheres)

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