[{"id":155365,"question":"Light has:","choices":[{"text":"Wave nature","value":"A"},{"text":"Particle nature","value":"B"},{"text":"Dual nature","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155364,"question":"For transmission of both transverse and longitudinal waves, we can use:","choices":[{"text":"Solid","value":"A"},{"text":"Gas","value":"B"},{"text":"Plasma","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155363,"question":"transverse wave motion is possible in:","choices":[{"text":"Air","value":"A"},{"text":"A mixture of NH<sub>3</sub>and O<sub>2</sub>","value":"B"},{"text":"Strings","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155361,"question":"The wave motion set up in any medium depends upon:","choices":[{"text":"Elasticity","value":"A"},{"text":"Inertia","value":"B"},{"text":"Density","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155360,"question":"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:","choices":[{"text":"Stationary waves","value":"A"},{"text":"Transverse waves","value":"B"},{"text":"Both of these","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155358,"question":"Which one of the following wave motions is transverse:","choices":[{"text":"Wave motion produced in water when a piece of stone is thrown into it","value":"A"},{"text":"Pulling of weight hanging vertically with a spiral spring","value":"B"},{"text":"Both of these","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155357,"question":"Of the following, the option ______ reminds of longitudinal waves.","choices":[{"text":"Sound waves","value":"A"},{"text":"Heat waves","value":"B"},{"text":"Electromagnetic waves","value":"C"},{"text":"Light waves","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155356,"question":"Crests and troughs are formed in:","choices":[{"text":"Longitudinal waves","value":"A"},{"text":"Transverse waves","value":"B"},{"text":"Both of these","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155355,"question":"In transverse waves, the individual particles of the medium move:","choices":[{"text":"In circles","value":"A"},{"text":"Perpendicular to the direction of level","value":"B"},{"text":"Parallel to the direction of level","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155354,"question":"The portion of the water above its mean level forms a:","choices":[{"text":"Crest","value":"A"},{"text":"Trough","value":"B"},{"text":"Both A and B","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155352,"question":"SI unit of wave length is:","choices":[{"text":"Kilometer","value":"A"},{"text":"Metre","value":"B"},{"text":"Centimetre","value":"C"},{"text":"Hertz","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155351,"question":"When the particles of the medium vibrate about their mean position, along the direction of the motion of waves, then the waves are called:","choices":[{"text":"Longitudinal waves","value":"A"},{"text":"Transverse waves","value":"B"},{"text":"Water waves","value":"C"},{"text":"Complex waves","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155349,"question":"In the formula for finding the speed of waves in the spring, unit of m in SIn units is:","choices":[{"text":"kg","value":"A"},{"text":"kg-meter","value":"B"},{"text":"kg/meter","value":"C"},{"text":"Meter/kg","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155348,"question":"Which one of the following elasticizes is possessed by fluids:","choices":[{"text":"Young's elastic modulus (length)","value":"A"},{"text":"Bulk elastic modulus (volume)","value":"B"},{"text":"Modulus of rigidity (shape)","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155347,"question":"Which of the following medium/media can transmit both transverse and longitudinal waves:","choices":[{"text":"Solids","value":"A"},{"text":"Liquids","value":"B"},{"text":"Gases","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155346,"question":"In solids, only following type/s of wave can travel:","choices":[{"text":"Transverse","value":"A"},{"text":"Longitudinal","value":"B"},{"text":"Both A and B","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155345,"question":"Fluids can transmit:","choices":[{"text":"Transverse wave","value":"A"},{"text":"Compressional wave","value":"B"},{"text":"Both of them","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155344,"question":"Transverse waves can be set up:","choices":[{"text":"Solids","value":"A"},{"text":"Liquids","value":"B"},{"text":"Gases","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155343,"question":"In compressional wave,the layer of medium having reduced pressure is called:","choices":[{"text":"Compression","value":"A"},{"text":"Elasticity","value":"B"},{"text":"Node","value":"C"},{"text":"Rarefaction","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155342,"question":"A string is stretched between two points and is plucked at right angles to its length, the vibration produced is:","choices":[{"text":"Longitudinal wave","value":"A"},{"text":"Transverse wave","value":"B"},{"text":"No vibration at all","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155341,"question":"The square of 0.4 is:","choices":[{"text":"Greater than 0.4","value":"A"},{"text":"Smaller than 0.4","value":"B"},{"text":"Equal to 0.4","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":155340,"question":"In the same medium, velocity of the wave:","choices":[{"text":"Goes on increasing","value":"A"},{"text":"Remains constant","value":"B"},{"text":"Goes on decreasing","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155339,"question":"A traveling wave has a shape of:","choices":[{"text":"Square wave","value":"A"},{"text":"Sine wave","value":"B"},{"text":"Parabola","value":"C"},{"text":"hyperbola","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":155338,"question":"The distance covered by the wave in one second is:","choices":[{"text":"Wave number","value":"A"},{"text":"Wave length","value":"B"},{"text":"Frequency","value":"C"},{"text":"Wave speed","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155337,"question":"The distance covered by the wave during one period is called its:","choices":[{"text":"Wave number","value":"A"},{"text":"Frequency","value":"B"},{"text":"Wavelength","value":"C"},{"text":"Time period","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":155336,"question":"Longitudinal waves are also called:","choices":[{"text":"Congressional waves","value":"A"},{"text":"Transverse waves","value":"B"},{"text":"Radio waves","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155335,"question":"Which of the following is not mechanical wave?","choices":[{"text":"Sound wave","value":"A"},{"text":"Light wave","value":"B"},{"text":"<div>wave produced in spring</div>","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155333,"question":"When a wave is travels from one place to another, it transfers:","choices":[{"text":"Matter","value":"A"},{"text":"Energy","value":"B"},{"text":"Momentum","value":"C"},{"text":"Both B and C","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155332,"question":"Which of the following is/are example/s if mechanical waves i.e. waves generated in _______:","choices":[{"text":"Rope","value":"A"},{"text":"Coil of spring","value":"B"},{"text":"Water","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":155331,"question":"The waves which propagate out in the space due to oscillations of electric and magnetic fields are called:","choices":[{"text":"Mechanical waves","value":"A"},{"text":"Electromagnetic waves","value":"B"},{"text":"Matter waves","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":2}]