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- Question
Damage to hearing is caused by sounds which exceed
Options- A. 70 decibels
- B. 80 decibels
- C. 100 decibels
- D. 120 decibels
- Correct Answer
- 120 decibels
ExplanationHigh frequency sound attacks the tympanic memberance and makes it defective. 120 decibels is too high a pitch to be heard and therefore it impairs the hearing ability.
- 1. Undertaker wrestled Yokozuna at the 1994 "Royal Rumble". This was a Casket Match. Undertaker wrestled in another Casket Match at the 1998 "Royal Rumble". Who did he wrestle?
Options- A. Yokozuna
- B. Shawn Michaels
- C. Mabel
- D. Triple H Discuss
- 2. The high reactivity of fluorine is due to
Options- A. its high electro negativity
- B. small size of fluorine atom
- C. availability of d-orbitals
- D. strong F - F bond Discuss
- 3. The major control over the form of the developing slope is exerted by
Options- A. inputs to the hill slope
- B. outputs from the hill slope
- C. balance between inputs and outputs from the hill slope system
- D. None of the above Discuss
- 4. For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what?
Options- A. Notepad
- B. Calendar
- C. Notice Board
- D. Telephone Book Discuss
- 5. Rabindranath Tagore's 'Jana Gana Mana' has been adopted as India's National Anthem. How many stanzas of the said song were adopted?
Options- A. Only the first stanza
- B. The whole song
- C. Third and Fourth stanza
- D. First and Second stanza Discuss
- 6. The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is
Options- A. 1.568 x 103
- B. 6.023 x 1019
- C. 4.84 x 1017
- D. 6.023 x 1023 Discuss
- 7. The snow line on the northern side of greater Himalayas range about
Options- A. 4,500 to 6,000 metres
- B. 5,500 to 6,000 metres
- C. 3,500 to 6,000 metres
- D. None of the above Discuss
- 8. What's a web browser?
Options- A. A kind of spider
- B. A computer that stores WWW files
- C. A person who likes to look at websites
- D. A software program that allows you to access sites on the World Wide Web Discuss
- 9. Optical fibre works on the
Options- A. principle of refraction
- B. total internal reflection
- C. scattering
- D. interference Discuss
- 10. Which of these is a valid e-mail address?
Options- A. professor.at.learnthenet
- B. www.learnthenet.com
- C. professor@learnthenet.com
- D. professor@learnthenet Discuss
More questions
Correct Answer: Shawn Michaels
Explanation:
This was the match that injured Shawn Michaels' back. Undertaker back dropped Shawn on the casket. Undertaker lost this match when Kane interferred.
Correct Answer: its high electro negativity
Correct Answer: balance between inputs and outputs from the hill slope system
Correct Answer: Notepad
Explanation:
Birchall's of Launceston in Tasmania started selling the world?s first notepads, calling them 'Silvercity Writing Tablets' after J A Birchall thought it would be a good idea to back sheets of paper with cardboard and glue them together at the top. His British paper suppliers weren?t so keen, but, they were persuaded by Birchall that it was a good idea!
Correct Answer: Only the first stanza
Correct Answer: 6.023 x 1019
Correct Answer: 5,500 to 6,000 metres
Correct Answer: A software program that allows you to access sites on the World Wide Web
Correct Answer: total internal reflection
Correct Answer: professor@learnthenet.com
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