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Explain Lamarck’s theory of inheritance of acquired characters. Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
Explain the difference between a “push” and a “pull” in the case of a heavy roller on a level road where the force acts on the roller making an angle with the horizontal road. Note: (Conditions) 1) Like Our Page ...
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)
Are dimensionally correct relations are always correct? Any example! Note: (Conditions) 1) Like Our Page on Facebook 2) Share this Question on Facebook (Winner will be provided Rs 50 NTC/NCELL recharge card)
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?
One can hear people talking in next room but can’t see them. Why?
Wave motion
Differentiate between Thomson effect and Joules heating effect
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A particle is moving with S.H.M in a straight line. When the distance of the particle from mean position has values x1 and x2, the corresponding values of velocities are u1 and u2, Show that time period of oscillation is ...