# Solved Physics Quiz Test MCQs With Answers

If you want to study Physics MCQs for ECAT exam test you are here on right page. Physics Engineering College Admission Test MCQs with solved answers by NTS National Tesing Service in Pakistan. Physics Basic to Advanced Past Papers most repeated Multiple Choice Question Answers online.

#### Physics Solved MCQs Online Quiz Test

Q.1: The energy radiated is directly proportional to the fourth power of Kelvins temperature is——–?

1. Karl-Weins law
2. Rayleigh-Jeans law
3. Stephens law
4. Plancks

C

Q.2: Compton effect proves the——–?

1. Photon theory of light
2. Dual nature of light
3. Wave nature of light
4. Uncertain nature of light

A

Q.3: Electron moves in the orbit as——–?

1. Simple vibratory motion
2. Standing wave motion
3. Vibratory motion like up and down
4. S.H.M likes the sound

B

Q.4: A lens which converges a beam of parallel rays to a point is called——-?

1. diverging (or concave) lens
2. converging (or convex) lens
3. plano concave lens
4. plano convex lens

B

Q.5: The diameter of a lens is called——–?

1. focal length
2. principal axis
3. aperture
4. radius of curvature

B

Q.6: Unit of power of a lens is——–?

1. meter
2. watt
3. diopter
4. horsepower

C

Q.7: The power of a concave lens is——–?

1. real
2. virtual
3. positive
4. negative

D

Q.8: If an object is placed away from 2f of a converging lens then the image will be——–?

1. real and erect
2. virtual and erect
3. real and inverted
4. virtual

C

Q.9: Magnifying power of simple microscope——-?

1. increase with increase in focal length
2. increase with decrease in focal length
3. no effect with decrease or increase with focal length
4. list distance of distinct vision

B

Q.10: The least distance of distinct vision for a normal eye is——–?

1. 15 cm
2. 25 cm
3. 30 cm
4. 40 cm

B