Quick Quiz
Questions ▼
wave motion mcq. We covered all the wave motion mcq in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android App from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive mcqs appear in exams like SSC CGL, CHSL, JE, MTS, Stenographer, CPO, Railway Group-D, NTPC, ALP, JE, RPF, Tech, Bank, Delhi Police Constable, UP Lekhpal, dsssb, DDA ASO, BPSC Teaching, Defence, UPSSSC, UPSC (Pre), UPP, SI, UPTET, UPPCS, BPSC, BSSC, SBI, IBPS, LIC, State PCS, CDS, NDA, Assistant Commandant, and other Competitive Examinations, etc.
We created all the competitive exam mcqs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
- Human Health and Disease Class 12 NEET MCQs
- MCQ on Human Health and Disease for NEET
- MCQ on Human Diseases
mcq on wave motion for Students
Bernoulli’s principle in Fluid dynamics can be applied to which of the following phenomena?
a) Lift on an aircraft wing
b) Capillary action
c) Hydraulic pressure
d) None of the above
Option a – Lift on an aircraft wing
Water flows steadily through a horizontal pipe. At one location, the cross-sectional area is 10 cm², the speed is 1 m/s, and the pressure is 2000 Pa. What is the pressure at a point where the area is reduced to 5 cm²?
a) 1000 Pa
b) 3500 Pa
c) 500 Pa
d) 2000 Pa
Option c – 500 Pa
The volume of liquid flowing out of a tank through an orifice at the bottom is independent of which factor?
a) Gravitational force
b) Height of liquid above the orifice
c) Size of the orifice
d) Liquid’s density
Option d – Liquid’s density
Why do clouds remain suspended in the Atmosphere?
a) Because they have very low density
b) Due to low viscosity
c) Because of low temperature
d) Due to low pressure
Option a – Because they have very low density
A capillary tube is connected to a constant head setup. If the tube’s radius increases by 10%, the liquid flow rate changes approximately by
a) -40%
b) -10%
c) 10%
d) 46%
Option d – 46%
When the speed of a Fluid in a tube increases, what happens to its pressure?
a) Increases
b) Decreases
c) Remains unchanged
d) Decreases, then increases
Option b – Decreases
Water flows for 20 minutes through a tube of 0.2 cm diameter and 50 cm length under a constant pressure head of 25 cm. If water’s viscosity is 0.0089, what is the total Mass that flows through?
a) 2595.6 g
b) 2560.7 g
c) 1563.7 g
d) 3678.6 g
Option a – 2595.6 g
In a medium without dispersion, how does group velocity relate to phase velocity?
a) Greater than phase velocity
b) Less than phase velocity
c) Not dependent on phase velocity
d) Equal to phase velocity
Option c – Not dependent on phase velocity
A rod moves with a speed of 0.9c in a frame parallel to its length. What percentage of its length contracts?
a) 60%
b) 55%
c) 57%
d) 88%
Option c – 57%
A plate covering 100 cm² is placed on a 2 mm thick layer of castor oil. If the viscosity is 15.5 poise, how much horizontal force is needed to move the plate at 3 cm/s?
a) 0.232 N
b) 0.0232 N
c) 0.00232 N
d) 1.32 N
Option a – 0.232 N
Bernoulli’s equation is derived from the law of
a) Conservation of energy
b) Conservation of Mass
c) Conservation of momentum
d) Conservation of Heat
Option a – Conservation of energy
Bernoulli’s theorem can be correctly applied to
a) Turbulent flow of an ideal Fluid
b) Streamline flow of an ideal Fluid
c) Behavior of an ideal gas
d) Streamline flow of real fluids
Option b – Streamline flow of an ideal Fluid
The principle behind the lift generated by airplane wings is explained by
a) Bernoulli’s principle
b) Torricelli’s law
c) Law of gravity
d) Linear momentum conservation
Option a – Bernoulli’s principle
When a liquid is spun in a cylindrical container, it rises along the walls. If the vessel has a radius of 0.05 m and rotates at 2 revolutions per second, what is the height difference between the center and the edges?
a) 0.02 m
b) 0.248 m
c) 0.02 cm
d) None of the above
Option a – 0.02 m
A sphere of radius R and density p falls in a Fluid of density p/2, reaching terminal velocity v. What will be the terminal velocity of a sphere with radius 2R and density (3/2)p in the same Fluid?
a) 2v
b) 8v
c) 4v
d) 1v
Option b – 8v
We covered all the wave motion mcq above in this post for free so that you can practice well for the exam.
Check out the latest mcq content by visiting our mcqtube website homepage.
Also, check out:
