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A ball is dropped vertically from a height h above the ground. It hits the ground and bounces up vertically to a height of h/2. Neglecting subsequent motion and air resistance, its velocity v varies with the height h as:
[Take vertically upwards direction as positive.]

1.		2.
3.		4.

The graph of displacement time is given below.
 
Its corresponding velocity-time graph will be:

1.		2.
3.		4.

If curve between pressure (P) and volumn (V) is a straight line, write relation between P and V

$1. 2{\mathrm{P}}_{\mathrm{o}}-\frac{{\mathrm{P}}_{\mathrm{o}}\mathrm{V}}{{\mathrm{V}}_{\mathrm{o}}}$
$2. 3{\mathrm{P}}_{\mathrm{o}}-\frac{{\mathrm{P}}_{\mathrm{o}}\mathrm{V}}{{\mathrm{v}}_{\mathrm{o}}}$
$3. {\mathrm{P}}_{\mathrm{o}}-\frac{{\mathrm{P}}_{\mathrm{o}}\mathrm{V}}{{\mathrm{V}}_{\mathrm{o}}}$
$4. 4{\mathrm{P}}_{\mathrm{o}}-\frac{{\mathrm{P}}_{\mathrm{o}}\mathrm{V}}{{\mathrm{V}}_{\mathrm{o}}}$

If slope of curve is first positive, then zero and after that became negative, so best represented of following graph which satisfied above condition
1. 
2. 
3. 
4. 

Find sin 5$°$
1. 0.087
2. 0.078
3. 0.056
4. 0.039

Find the value of sin 15$°$
1. $\frac{1}{2\sqrt{2}}$
2. $\frac{\sqrt{3}-1}{2\sqrt{2}}$
3. $\frac{2}{\sqrt{3}}$
4. $\frac{\sqrt{3}+1}{2\sqrt{2}}$

Find maximum and minimum value of y = 3sinx + 4cosx
1. 5 and -5
2. 3 and -3
4. 4 and -4
4. None of the above

Find the roots of equation $2{\mathrm{x}}^2-\mathrm{x}-3=0$
1. $x=\frac{3}{2} or x=-1$
2. $x=\frac{5}{2} or x=-2$
3. $x=2 or x=1$
4. $x=4 or x=2$