OXFORD HIGH SCHOOL10th grade objective Ch 10+11+12 (D)(C)(B)(A)QUESTIONSQ.NO.

A bouncing ball on a floor.The spinning of the earth on its axisThe motion of ceiling fanMotion of simple pendulumWhich of the following is an example of simple harmonic motion?1.

Be decreased by a factor 4.Be decreased by a factor 2Remain the same Be increased by a factor of 2If the mass of the bob of a pendulum is increased by a factor 3, the period of the pendulums motion will2.

A tuning forkA helical spring slinkya ripple tank String Which of the following devices can be used to produce both a transverse and longitudinal waves?3.

Velocity Wavelength Frequency Energy Wave transfer4.

All of theseWave motionRadiationConduction Which of the following is a method of energy transfer?5.

Amplitude Wavelength Frequency Speed In a vacuum all electromagnetic waves have the same6.

A large ripple tank with a vibrator working at a frequency of 30 Hz produces 25 complete waves in a distance of 50 cm. the velocity of the wave is7.

Amplitude Wavelength Frequency Speed Which of the following characteristics of a wave is independent of the others?8.

vf = The relation between v, f and of a wave is9.

v01The product of time period & frequency is 10.

kxkxkx2The magnitude of restoring force is directly proportional to 11.

Remain sameDecreases Increases 0If we increase the length of simple pendulum, its time period will be 12.

Remain sameFour times Three timesdoubled If mass of simple pendulum is doubled, its time period will be 13.

None Remain sameThree timesdoubled If mass of simple pendulum is halved, its time period will be 14.

Nm2Nm-2Nm-1NmThe unit of spring constant is 15.

2T TT/T/2If length of simple pendulum is halved, its time period will be16.

17.

18.

19.

20.

21.

22.

23.

24.

25.

26.

27.

28.

29.

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------OXFORD HIGH SCHOOL10th grade objective Ch 10+11+12 (D)(C)(B)(A)QUESTIONSQ.NO.

v01The product of time period & frequency is 1.

Wavelength Vibration Time period Frequency Pitch of sound depends upon2.

Virtual Real Negative Positive Principle focus of convex mirror is 3.

Power of lens is 4.

kxkxkx2The magnitude of restoring force is directly proportional to 5.

Concave mirrorConcave lensConvex mirrorConvex lensShort sightedness can be corrected by 6.

Frequency Velocity Speed Sound What is produced due to vibration?7.

8cm 7cm 6cm10cmAn object is placed 30cm from concave mirror with focal length 5cm, image distance is 8.

Magnification is equal 9.

5432The radius of curvature of spherical mirror ---- times its focal length.10.

Intensity Quality Pitch Loudness Which characteristics of sound depends upon frequency.11.

Remain sameDecreases Increases 0If we increase the length of simple pendulum, its time period will be 12.

510490450420The critical angle of glass is 13.

Cystoscope Bronchoscope Gastro scope Endoscope The endoscope used to examine the stomach is 14.

20dB15dB10dB5dB1 bel =15.

Remain sameFour times Three timesdoubled If mass of simple pendulum is doubled, its time period will be 16.

Wms-2Wms-1Wm-2Wm-1The unit of intensity of sound is 17.

Big Small Negative Positive Focal length of concave mirror18.

None Remain sameThree timesdoubled If mass of simple pendulum is halved, its time period will be 19.

Nm2Nm-2Nm-1NmThe unit of spring constant is 20.

Big Small Negative Positive Focal legth of convex mirror21.

mObject pImage Which is virtual in case of convex mirror?22.

Television waveUltrasonics Meter Radiowaves Depth of ocean is measured by 23.

2T TT/T/2If length of simple pendulum is halved, its time period will be24.

Sound level Pitch Loudness Quality The difference b/w two loudness of sound LL025.

6543Prism is transparent material having faces26.

Intensity Mili beldecibelbelThe unit of sound level is 27.

5432The conditions for total internal reflection are28.

120Hz680Hz170Hz340HzIf 2m & v = 340ms-1 , then f =?29.

20dB10dB1dB0dBFaintest audible sound intensity is30.