Related Questions

If there is nothing to absorb the energy of sound waves, they travel on ----, but their intensity--- as they travel further from their source.
A erratically-mitigates
B eternally-alleviates
C forever-increases
D steadily-stabilized
Which of the following statements is correct about sound waves and light waves?
A Both transverse waves
B Both longitudinal waves
C Sound waves are transverse waves and light waves are longitudinal waves
D Sound waves are longitudinal and light waves are transverse waves
দুটি সুসঙ্গত উৎস থেকে λ দৈর্ঘ্যের দুটি তরঙ্গ সমদশায় বের হয় । একটি বিন্দুতে যেখানে তরঙ্গ দুটি মিলিত হয় সেখানে তাদের দশা পার্থক্য 90° । তরঙ্গ দুটির অতিক্রান্ত পথ পার্থক্য তখন কত ? ( Two coherent sources emit waves of wavelength λ which are in phase. which are in phase. The two waves meet at a point where they have a phase difference of 90°. Which of the following could be the traversed path difference between the waves?)
A 2λ
B λ
C λ/2
D λ/4
The higher the wind speed and the longer the fetch or distance of open water across which the wind blows and waves travel, the ____ waves and the ____ energy they process.
A larger, more
B larger, less
C smaller, more
D smaller, less
Sound waves are ------ waves.
A transverse
B Electromagnetic
C Longitudinal
D one of these
On his way home from shopping. Monika must travel due south for 5 miles and due east for another 12 miles to reach his mouse. If she could travel in a straight line from the would she travel?
A 1
B 4
C 8
D 13
How many meters will I be away from my home if 1 travel 5 meters towards north, take a right and travel 4 meer and travel 5 meters towards south?
A 5
B 4
C 10
D 14
Tsunami waves are the undersea occurrence of earthquake exceeding 7.5 on Richter scale. Which one of the following statements regarding this is not correct?
A It often generates strong waves
B The pacific coasts are most vulnerable to Tsunami waves.
C Tsunami waves are also called high-energy tidal waves or seismic sea waves.
D Tsunami is a Latin word.
Why does the ionosphere of the Earth's atmosphere facilitate radio communication? i. The presence of ozone causes the reflection of radio waves to earth ii. Radio waves have a very long wavelength
A i only
B ii only
C both i & ii
D neither i nor ii
sounds waves are -- waves
A transverse
B Electromagnetic
C Longitudinal
D none of these

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