Physics Test.5

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Physics Test-5 covers a wide range of subjects, such as electrostatic MDCAT MCQs, Save My Exams physics A-level questions, online physics MCQs tests, and electromagnetism MDCAT MCQs. This test is crucial for assessing comprehension and preparedness for academic obstacles. Engage with Physics Test-5 to effectively navigate through these subjects and boost your preparation. For additional study resources tailored to your requirements, visit Nokryan.com, where you can discover valuable materials to support your learning journey.

Physics Test-5, By Nokryan.com
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physics

Physics Test.5

Quiz Instructions:

  • There will be 20 multiple choice question in this online test.
  • Answer of the questions will change randomly each time you start this test.
  • Practice this test at least 3 times if you want to secure High Marks.
  • At the End of the Test you can see your Test score and Rating.

1 / 20

Sound waves do not travel in vacuum because ___________________?

2 / 20

Increase in velocity of sound in the air for 1°C rise in temperature is_________________?

3 / 20

On loading the prong of a tuning form with wax its frequency____________________?

4 / 20

The normal ear is the most sensitive in the frequency range___________________?

5 / 20

The velocity of sound in air would become double than its velocity at 0°C at temperature________________?

6 / 20

The periodic alternation of sound between maximum and minimum loudness are called___________________?

7 / 20

Beats are the results of____________________?

8 / 20

Doppler effect applies to____________________?

9 / 20

A simple pendulum has a bob of mass m and its frequency is f. If we replaced the bob with a heavier one say of 2m then that will be its new frequency ?

10 / 20

In open organ pipe___________________?

11 / 20

The dimension of elastic modulus is ___________________ ?

12 / 20

Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are__________________?

13 / 20

Fundamental frequency of stationary waves in open pipe is ______________ times the frequency in closed pipe?

14 / 20

The beats frequency (sensible) for a human car is _____________________?

15 / 20

Laplace found that the alternate compressions and rarefactions produced in sound waves follows ________________?

16 / 20

The current through a metallic conductor is due to the motion of _________________?

17 / 20

A wire having very high value of conductance is said to be____________________?

18 / 20

Production of heat due to an electric current flowing through a conductor is given by _________________?

19 / 20

Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f ?

20 / 20

Thermocouples convert___________________?

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