Physics Set 1 MCQs | AssignGuru

Q1 | Which of the following measurements is not a unit of distance?

Ammeter

Cubit

Parsec

Angstrom

Q2 | Which one of the following remains constant while throwing a ball upward?

Displacement

Kinetic energy

Acceleration

Velocity

Q3 | Pure water freezes at what temperature?

47 F

32 F

0 F

19 F

Q4 | Which vitamin is abundant in citrus fruits?

. Vitamin A

. Vitamin B

. Vitamin C

. Vitamin D

Q5 | Which of the following statements is not true regarding LASER?

A LASER is a device that emits light through a process of optical amplification .

LASER beams can be focused to very tiny spots, achieving a very high irradiance.

The emitted LASER light is notable for its high degree of dispersive power unattainable using other technologies.

LASER light is used in bar-code scanners

Q6 | If a moving body turns its speed to 1.5 times, what will be the impact on its kinetic energy?

will become 1.5 times

will become 3 times

will become 2.25 times

will become 6 times

Q7 | Two Flat mirrors are placed at an angle of 60° from each other. How many images will be formed of a Candle placed in between them?

3

4

5

6

Q8 | A tourist, who plans to visit a hill station located at very high altitude also wishes to take along his Television Set. In this context, consider the following:LCD TVPlasma TVCathode Ray Tube TVWhich among the above are expected to work properly at very high altitudes?

Only 1

1 & 2

1 & 3

2 & 3

Q9 | If an egg with shell is placed in a microwave oven, which among the following would most likely happen?

The egg will not get warmed

The egg will get cooked slowly similar to a boiled egg

The egg shell will explode

The egg shell becomes yellow

Q10 | Which among the following is the SI physical unit of dynamic viscosity?

Poise

Pascal-second

Newton-second

Poise-second

Q11 | Which among the following phenomena of the optics makes the Endoscopy capable of examining the internal organs such as Abdomen?

Interference

Total Internal Reflection

Diffraction

Scattering

Q12 | An antenna in a Geostationary satellite should have a minimum beam width of which among the following values to cover the entire earth?

8.56°

17.34°

22.16°

23.25°

Q13 | A piece of Ice was tied with a string to a water bucket‘s bottom, and the water bucket was filled with water with ice fully submerged in it. What would be the impact on the level of water when the ice melts away completely?

The level of water will go up

The level of water will go down

The level of water will remain unchanged

The level of water will first increase then come to the previous on

Q14 | A ?Charge-coupled device? in the modern Digital Cameras has replaced which among the following in the traditional Cameras?

Lens

Shutter

Photographic film

Flash equipment

Q15 | An instrument called ?Theodolite? is used in which among the following ?

Measuring distances, elevations, bearings etc.

Measuring rotational speed of a shaft

Measuring horizontal and vertical angles in triangular networks

Measuring acidity or alkalinity of solutions

Q16 | A person is standing in front of a wall and makes a sound. What should be the normal minimum distance between the person and the wall , so that the person hears echo?

6 meters

13 meters

20 meters

17 meters

Q17 | A long Rail (approximately 700 meters) made up of steel is struck to produce a sound. The person standing on the other end of the rail would hear in which among the following pattern?

He listens the sound waves once propagated via steel

He listens the sound waves once propagated via air

He listens the sound waves twice, first propagated via steel and second propagated via air

He listens the sound waves twice, first propagated via air and second propagated via steel

Q18 | Which among the following is studied under ? fulminology??

Sudden changes in atmosphere

Lightning

Cloudbursts

Volcanic Eruptions

Q19 | Which among the following has the lowest frequency Range?

L-Band

S-Band

C-Band

X-Band

Q20 | How does the Isotope of Iodine, Iodine-135 plays an important role in Nuclear Power Generation?

It is used as a fuel supplement in some of the modern Nuclear Reactors

It is a bi-product of Nuclear Reaction which kills the neutrons and this inhibits the power formation

It is a moderator used actively in the Nuclear Reactors

It is an experimental substance for Nuclear Fusion

Q21 | Which among the following is the correct statement about Black Ice?

It is the product of the freezing of water droplets in highly polluted air

It is the thin transparent layer of ice made up usually on roads and pavement

It is the solid Carbon Dioxide

It is the frozen water of a highly polluted river

Q22 | In many countries with cold climates, the municipalities often sprinkle salt on icy roads in winter. Which among the following is the correct reason for this?

The Salt inhibits the formation of Ice Crystals

The Salt lowers the Freezing Point of water

The Salt raises the freezing Point of water

The salt provides necessary friction to the tires of the vehicles

Q23 | Consider the following:1. Near Infrared2. Mid Infrared3. Far InfraredWhich among the following is the correct order of increasing wavelength of the above?

1,2,3

3,2,1

2,1,3

3,1,2

Q24 | Which among the following is measured by an Odometer?

Pressure

Height

Distance

Velocity

Q25 | The term ?Isopycnic? is most closely defined by which among the following?

Two places with same atmospheric pressure

Two liquids with same viscosity

Two liquids with same density

Two places with same temperature