1
AIEEE 2006
+4
-1
If the terminal speed of a sphere of gold (density $$= 19.5\,\,kg/{m^3}$$) is $$0.2$$ $$m/s$$ in a viscous liquid (density $$= 1.5\,\,kg/{m^3}$$, find the terminal speed of a sphere of silver (density $$= 10.5\,\,kg/{m^3}$$) of the same size in the same liquid
A
$$0.4$$ $$m/s$$
B
$$0.133$$ $$m/s$$
C
$$0.1$$ $$m/s$$
D
$$0.2$$ $$m/s$$
2
AIEEE 2006
+4
-1
A wire elongates by $$l$$ $$mm$$ when a LOAD $$W$$ is hanged from it. If the wire goes over a pulley and two weights $$W$$ each are hung at the two ends, the elongation of the wire will be (in $$mm$$)
A
$$l$$
B
$$2l$$
C
zero
D
$$l/2$$
3
AIEEE 2005
+4
-1
If $$S$$ is stress and $$Y$$ is young's modulus of material of a wire, the energy stored in the wire per unit volume is
A
$${{{S^2}} \over {2Y}}$$
B
$$2{S^2}Y$$
C
$${S \over {2Y}}$$
D
$${{2Y} \over {{S^2}}}$$
4
AIEEE 2005
+4
-1
A $$20$$ $$cm$$ long capillary tube is dipped in water. The water rises up to $$8$$ $$cm.$$ If the entire arrangement is put in a freely falling elevator the length of water column in the capillary tube will be
A
$$10$$ $$cm$$
B
$$8$$ $$cm$$
C
$$20$$ $$cm$$
D
$$4$$ $$cm$$
EXAM MAP
Medical
NEET