1)The value of Eo in F=1/4π x q1q2/r^2 (Coulomb's law) is
a)9.854 x10^-12 C^2 N^-1 m^-2
b) 7.854 x 10^-12 C^2 N^-1 m^-2
c)18.854 x10^-12 C^2 N^-1 m^-2
d)6.854 x 10^-12 C^2 N^-1 m^-2
2) In the circuit, the Emf of the cell is 1OV and the terminal P.D. is 6V. If an external resistance of 1 ohm is used, the internal resistance of cell is
a) 1/3 ohm b) 2/3 ohm c) 8/3 ohm d)4/3 ohm
3) If refractive index of small angled prism of 4° is 1.5 then deviation of prism is
a)2 b)3 c)4 d)10
4)The angle between the earth's magnetic axis and geographic axis is:
a) 0 degree b)17 degree c)23 degrees d) undefined
5) Which is the triploblastic animal?
(a) Hydra b)sycon c)obelia d)Ascaris
6)How many moles of so2 are contained in 48 grams of the compound?
a) 0.25 mole b)0.75 mole c)0.5 mole d) 1 mole
7)The hydrogen bond is strongest in:
a)O-H_ _ _S b)S-H_ _ _O c)F-H_ _ _F dF-H_ _ _O
