ECAT Pre General Science Physics Chapter 8 Waves Online Test With Answers

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ECAT Pre General Science Physics Chapter 8 Waves Online Test

Sr. # Questions Answers Choice
1 For transmission of both transverse and longitudinal waves, we can use: Solid Gas Plasma None of these
2 transverse wave motion is possible in: Air A mixture of NH<sub>3</sub>and O<sub>2</sub> Strings All of these
3 The wave motion set up in any medium depends upon: Elasticity Inertia Density All of these
4 If one end of a rubber cord is fixed with a support and the other end is wiggled by hand, the waves generated on the card are: Stationary waves Transverse waves Both of these None of these
5 Which one of the following wave motions is transverse: Wave motion produced in water when a piece of stone is thrown into it Pulling of weight hanging vertically with a spiral spring Both of these None of these
6 Of the following, the option ______ reminds of longitudinal waves. Sound waves Heat waves Electromagnetic waves Light waves
7 Crests and troughs are formed in: Longitudinal waves Transverse waves Both of these None of these
8 In transverse waves, the individual particles of the medium move: In circles Perpendicular to the direction of level Parallel to the direction of level None of these
9 The portion of the water above its mean level forms a: Crest Trough Both A and B None of these
10 SI unit of wave length is: Kilometer Metre Centimetre Hertz
11 When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called: Longitudinal waves Transverse waves Water waves Complex waves
12 In the formula for finding the speed of waves in the spring, unit of m in SIn units is: kg kg-meter kg/meter Meter/kg
13 Which one of the following elasticizes is possessed by fluids: Young's elastic modulus (length) Bulk elastic modulus (volume) Modulus of rigidity (shape) None of these
14 Which of the following medium/media can transmit both transverse and longitudinal waves: Solids Liquids Gases All of them
15 In solids, only following type/s of wave can travel: Transverse Longitudinal Both A and B None of them
16 Fluids can transmit: Transverse wave Compressional wave Both of them None of them
17 Transverse waves can be set up: Solids Liquids Gases All of them
18 In compressional wave,the layer of medium having reduced pressure is called: Compression Elasticity Node Rarefaction
19 A string is stretched between two points and is plucked at right angles to its length, the vibration produced is: Longitudinal wave Transverse wave No vibration at all None of them
20 The square of 0.4 is: Greater than 0.4 Smaller than 0.4 Equal to 0.4 None of them
21 In the same medium, velocity of the wave: Goes on increasing Remains constant Goes on decreasing None of these
22 A traveling wave has a shape of: Square wave Sine wave Parabola hyperbola
23 The distance covered by the wave in one second is: Wave number Wave length Frequency Wave speed
24 The distance covered by the wave during one period is called its: Wave number Frequency Wavelength Time period
25 Longitudinal waves are also called: Congressional waves Transverse waves Radio waves None of them
26 Which of the following is not mechanical wave? Sound wave Light wave <div>wave produced in spring</div> None of them
27 When a wave is travels from one place to another, it transfers: Matter Energy Momentum Both B and C
28 Which of the following is/are example/s if mechanical waves i.e. waves generated in _______: Rope Coil of spring Water All of them
29 The waves which propagate out in the space due to oscillations of electric and magnetic fields are called: Mechanical waves Electromagnetic waves Matter waves All of them
30 The waves which propagate through the oscillations of material particles are known as: Mechanical waves Electromagnetic waves Any of them None of them
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