Physics in Daily Life — Part 1: 40 MCQs with Explanations

Humpback whales is the correct answer to “Which animal can create the loudest sound among any living creature”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Mica is the correct answer to “Which of the following is good conductor of heat but bad conduct of electricity”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Gasoline is the correct answer to “Which of the following is mainly used for light patrol engines”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Infrared waves is the correct answer to “Which one of the following waves are used by the common TV remote control”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Gravitational waves’ were detected. is the correct answer to “Recently, scientists observed the merger of giant ‘blackholes’ billions of light-years away from the Earth. What is the significance of this observation”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Bifocal is the correct answer to “Which among the following lens is used to correct Presbyopia”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

A rocket needs the speed of 7 miles per second to escape from earth’s gravity.

The unit of home electricity energy consumption is Killowatt hour.

Lead is the correct answer to “Heat exchanger tubes are never made of:”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Concave is the correct answer to “Myopia is a human eye disorder That can be corrected by using the lens”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

The gas heater gives us heat by Convection .

Speed of sound in water at 20 °C is 1474 m/s .

If the green leaves are placed under red light, their color will become Black .

Unit of specific gravity is No unit.

Both A & B is the correct answer to “Refraction of sound can occur in:”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Very low pressure is the correct answer to “Most gases conduct electricity at:”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Infrasonic is the correct answer to “What do we call when the sound of frequency will be below 20 Hz”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Which colour of light is deviated least Red .

During which process does heat transfer occur because of density differences Convection .

Heat of sun reaches the earth by radiation .

Friction can be reduced by changing from Sliding to rolling .

Gravity setting chambers are used in industries to remove Suspended particulate matter .

ultra-violet radiation is the correct answer to “The light rays used for eliminating bacteria”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

The Sun is the largest natural source of light.

Angle of friction and angle of repose are equal to each other.

Advection is the correct answer to “Heat transfer horizontally within the atmosphere is called”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Blue is the correct answer to “Which one of the following wavelengths of light is most effective in photosynthesis”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Pressure of air is the correct answer to “Velocity of sound in air does not change with the change of”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

electrical energy is the correct answer to “In a photocell light energy is converted into”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

The type of mirrors used in the headlamp of cars is Parabolic concave .

Jupiter is the correct answer to “Which planet in our solar system has the most gravity”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

SI unit of light is Candela .

Convex is the correct answer to “The side view mirrors of vehicles are of which type of mirrors”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

Speed of sound in air is 1235 km/h.

The best conductor of heat among liquid is Mercury .

Sound of frequency below 20 Hz is: Infrasonic .

Stethoscope is the correct answer to “Which of the following is used for hearing the sound of heart and lungs”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.

The light of distant stars is affected by both A and B .

Only male frog produce croacking sound because Female frog have no larynx .

Convex mirror is the correct answer to “What type of a mirror is used in anti-shop-lifting-devices”. Items of this type are drawn from the Physics in Daily Life — Part 1 syllabus of Pakistani competitive exams, where the fact is tested verbatim.