Share Facebook Email Telegram WhatsApp Results #1. In which medium the speed of sound is maximum? Air Air Granite Granite Water Water Iron Iron #2. Name the form of energy which produces a sensation of hearing in our ears. Light Light Heat Heat Sound Sound None of these None of these #3. Sound waves__________. Can travel in vaccum Can travel in vaccum Can travel only in solid Can travel only in solid Can travel only in gases Can travel only in gases Can travel both in solid and gaseous medium Can travel both in solid and gaseous medium #4. The velocity of sound is maximum in ____. Air Air Liquid Liquid Solid Solid Vacuum Vacuum #5. In which of the following option sound may not be across travel? Water Water Vaccum Vaccum Iron Iron Air Air #6. The velocity of sound in air is approximately__________. 10 km/s 10 km/s 10 mile/min 10 mile/min 330 m/s 330 m/s 3X1010 m/s 3X1010 m/s #7. Ultrasonic are sound waves of frequency _______. Greater than 20,000 Hz Greater than 20,000 Hz Less than 10,000 Hz Less than 10,000 Hz Equal to 1000 Hz Equal to 1000 Hz None of these None of these #8. A bio technique in which ultrasonic sound is used _____. Sonography Sonography ECG ECG EEG EEG X-ray X-ray #9. Which one of the following is the effect of the flight of supersonic jet? Air pollution Air pollution Eye disease Eye disease Depletion in ozone layer Depletion in ozone layer None of the above None of the above #10. What is the decibel level of sound produced by two persons in conversation? About 5 decibel About 5 decibel About 10 decibel About 10 decibel About 30 decibel About 30 decibel About 100 decibel About 100 decibel Finish
