QUIZ 1 (PHYSICS)

Q1) S.I. unit of Magnetic Flux is

1. weber
2. weber/m
3. weber/m⁴
4. weber-m²

ANSWER:weber

Q2) If density of oxygen is 16 times that of hydrogen, what will be their coresponding ratio of velocity of sound?

1. 4:1
2. 2:1
3. 1:16
4. 1:4

ANSWER:1:4

Q3) The redness in atmosphere at Sunrise and Sunset is due to:

1. Refraction of light 
2. Reflection of light
3. Dispersion of light
4. Scattering of light

ANSWER:Scattering of light

Q4) Distant object are visible as a little out of focus in this condition

1. Presbyopia
2. Hypermetropia
3. Astigmatism
4. Myopia

ANSWER:Myopia

Q5) A light wave is incident over a plane suface with velocity x. After reflection velocity becomes:

1. X/2
2. X
3. 2X
4. X/4

ANSWER:X

Q6) In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie?

1. Visible
2. Infrared
3. Ultraviolet
4. X-ray

ANSWER:Ultraviolet

Q7) A cyclic tyre bursts suddenly. This represents an:

1. Isothermal process
2. Adiabatic process
3. Isochoric process
4. Isoboric process

ANSWER:Adiabatic process

Q8) The amount of matter in a ball of steel is its:

1. Weight
2. Mass
3. Density
4. Volume

ANSWER:Mass

Q9) Blowing Air with open pipe is an example of:

1. Isothermal process
2. Isochoric process
3. Isobaric process
4. Adiabatic process

ANSWER:Isobaric process

Q10) Plank's constant has the dimensions of:

1. Energy
2. Linear momentum
3. Angular momentum
4. Force

ANSWER:Energy