Engineering Physics I Mock Test 8

10%

Question 1 of 10

1. What kind of wave is formed in organ pipes?

Longitudinal stationary waves

Transverse stationary waves

Mechanical waves

Electromagnetic waves

Question 1 of 10

Question 2 of 10

2. Which of the following is associated with an electron microscope?

Electromagnetic waves

Magnetic waves

Matter waves

Electrical waves

Question 2 of 10

Question 3 of 10

3. The momentum of a photon having energy 10^-17J is ____________

1.11 X 10^-26 Kg m/s

3.33 X 10^-26 Kg m/s

2.22 X 10^-26 Kg m/s

4.44 X 10^-26 Kg m/s

Question 3 of 10

Question 4 of 10

4. Transverse waves can be formed in fluids.

False

True

Question 4 of 10

Question 5 of 10

5. If the direction of velocity is changed by 180o simultaneously, the mass would _____________

Change simultaneously

Decrease

Not Change

Increase

Question 5 of 10

Question 6 of 10

6. When is ultrasonic waves produced using piezo electric oscillator?

At constant temperature

At resonance

At constant voltage

At constant pressure

Question 6 of 10

Question 7 of 10

7. In the case v << c, Lorentz transformation is the same as ____________

Maxwell’s transformation

Planck’s transformation

Einstein’s transformation

Galilean transformation

Question 7 of 10

Question 8 of 10

8. A radio station broadcasts its programme at 219.3 metre wavelength. Determine the frequency of radio waves if velocity of radio waves is 3×10⁸ m/s.

7.31×10^-7 Hz

1.954×10^-6 Hz

1.368×10⁶ Hz

6.579×10¹⁰ Hz

Question 8 of 10

Question 9 of 10

9. In Michaelson interferometer, the position of mirror read 0.6025mm and 0.8970mm for a pair of consecutive bright. Mean wavelength of light is 5393 Å. The difference between the two wavelengths is ___

5 Å

6 Å

3 Å

4 Å

Question 9 of 10

Question 10 of 10

10. From the figure, what’s the relation between T₁, T₂, and T₃?

T₃ > T₂ > T₂

T₁ > T₂ > T₃

T₃ > T₁ > T₂

T₂ > T₁ > T₃

Question 10 of 10