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How does an ear trumpet help to hear clearly? Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
What is pedigree analysis? Suggest how such an analysis, can be useful.
‘धर्तीका’ छोरा भनेर किसानलाई किन भनिएको हो ?
What are the Symptoms of alcoholism?
What are the Characteristics of wave motion?
Mention the types of hybridization.
Speed of sound is more if density of medium is less. Sound travels faster in water than in air though the density of air is less. Why?
What is heredity ?
One can hear people talking in next room but can’t see them. Why?
What is diffraction of sound?
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