Phy101 Grand Quiz

Phy101 Grand Quiz By Rehan Ahmed

Coment kar k apni aye zaroor dayn shukriy

Question No 1 :-

The fundamental dimensions of angular momentum are :-

ML-2T-2

MLT-1

ML2T-1

ML2T-2

Question No 2 :-

The magnitude of the acceleration on planet in orbit around the Sun is proportional to.

the mass of the planet

the mass of the Sun

the distance between the planet and the Sun

the reciprocal of the distance between the planet and the Sun

Question No 3 :-

‘An varosonic wove i gent from @ ship towords the bottom of the eee. Nis found thet the time interval between the sending and receiving of the wave is 1.6 5. What is the depth of the see. if the velocity of sound in the seaweter is
1400 m/s?

1120m

560 m

1400 m

122m

Question No 4 :-

A moequito's buzz is often rated with a decibel rating of 40 dB. Normal conversation rs often rated at 60 dB. How many times more intense is normal conversation compared fo 6 mosquito's buzz?

100

Question No 5 :-

Water flows into © house at e velocity of 15 m/s through a pipe thet hes 9 radius of 0.40 m. The weter then flows through a smaller pipe at a velocity of 45 m/s. What is the radius of the smatier pipe?

0.53m

0.23m

0.17m

0.37m

Question No 6 :-

As the wavelength of a wave in a uniform medium increases. its speed will

Decrease

increase

remain in same

none of these

Question No 7 :-

If force ts applied at center of mass then torque is.

Infinity

Zero

Maximum

Question No 8 :-

People try to keep the... over their feet. in order to feel stable.

mass

weight

center of gravity

center of mass

Question No 9 :-

If the speed of sound is 340m/s a plane flying at 400rm/s creates @ conical shock wave with an

apex half angle of:-

Zero ( Other Option is missed due to time)

Question No 10 :-

The apprnamate value of g et an altitude ebove Earth equel to one Earth diemeter is:

4.9m/s2

Phy101 Grand Quiz