Physics - Set-02 -QUiz for RIMC Entrance Examination

Question. No: Question Answer
Q . No: 1 Sound is Characterised by three parameters:: they are___ Pitch, Loudness and Quality
Q . No: 2 Pitch of a Female vice is ___ than male. Higher
Q . No: 3 A sound of about ___ Decibles and above can cause Noise Pollution. 140 Decibels
Q . No: 4 In _____ instrument, the air in the hollow space within it is made to vibrate by striking or shaking it. Percussion
Q . No: 5 Presistance of sound after its production is stopped, is called _____. reverberation
Q . No: 6 A DOg can hear sounds of frequencies upto about ____ kHz. 50 kHz C
Q . No: 7. The Full form of SONAR is Sound Navigation Ranging
Q . No: 8 Sound with frequencies above ___ kHz , i.e about the audible range are called ________Sound Ultra sound
Q . No: 9 Bats use ___ sound for Navigation. Ultrasound
Q . No: 10 The sound travels fastest in________ Solids
Q . No: 11. Ultrasonic waves have frequency Only above ___Hz 20,000 hz
Q . No: 12 The unit to measure intensity of sound is___ ? Decibel
Q . No: 13 Sitar is a ____ instrument String
Q . No: 14 Sound cannot travel through___. Vacuum
Q . No: 15 To hear a distinct echo, the minimum distance of a relecting surface should be______ Metres. 17 metres
Q . No: 16 Velocity of sound in air is_____ 330 m/s
Q . No: 17 The Velocity of sound is largest in _______ Metal
Q . No: 18 When a gas is compressed its Pressure___ Increases
Q . No: 19 The ratio of the speed of a body to the speed of sound is called_______. Mach Number
Q . No: 20 Voice of a friend is recognised by its____________ Quality
Q . No: 21 A sound wave travels from east to west in which direction do the particles of air move? East- west
Q . No: 22 Audible rang of frequency is 20 Hz to _____ Hz 20,000
Q . No: 23 In Light , the unit of power is _________ Diopter.
Q . No: 24 Person sufffering from PRESBYOPIA required ___lenses Bifocal.
Q . No: 25 Clouding of the lens in the eys is called as________________ Cataract
Q .No:26 If some one tells you that he saw the sun emitting Greenlight is he telling the truth? YES
Q . No: 27 _______ mirrors are used as side / rear-view mirror of vehicles. Convex
Q . No: 28 A normal eye can see objects clearly that are between ____ cm to infinity. 25 cm
Q . No: 29 The Sky appears as _____ (colour)to the astronaut Black
Q . No: 30 No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be___ Either Plane or convex