Dust particles released by comets are continuously acted upon by sun's radiation pressure in radial outward direction. Assuming a dust particle with rho =3.5 xx10^3 kg//m^3 and reflection coefficient 0. for what value of radius r does gravitational force on dust. particle just balance the radiation force on it from sunlight ? (power radiated by sun =4xx10^(26)W , mass of sun =2xx10^(30)kg)

Dust particles released by comets are continuously acted upon by sun's

1.	Dust particles released by comets are continuously acted upon by sun's radiation pressure in radial outward direction. Assuming a dust particle with rho =3.5 xx10^3 kg//m^3 and reflection coefficient 0. for what value of radius r does gravitational force on dust. particle just balance the radiation force on it from sunlight ? (power radiated by sun =4xx10^(26)W , mass of sun =2xx10^(30)kg)
Answer» `0.1 mueta` `0.17 mueta` `10 mu ETA` `17 mu eta` Answer :B

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