Question
If f : R → R is continuous and differentiable function such that
f(t) dt + f¢¢¢ (3)
t3
dt – f ¢ (1)
t2 dt + f ¢¢ (2)
t. dt, then the value of f ¢ (4) is :
- 48 – 8 f ¢ (1) + f ¢¢ (2)
- 48 – 8 f ¢ (1) – f ¢¢ (2)
- 48 + 8 f ¢ (1) + f ¢¢ (2)
- None of these.
The correct answer is: 48 – 8 f ¢ (1) – f ¢¢ (2)
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If the light travels from diamond to the liquid, it will totally reflected when the angle of incidence is 30o
Reason :
where
is the refractive index of diamond with respect to liquid
Assertion : The refractive index of diamond is
and that of liquid is ![square root of 3](data:image/png;base64,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)
If the light travels from diamond to the liquid, it will totally reflected when the angle of incidence is 30o
Reason :
where
is the refractive index of diamond with respect to liquid
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f(x) sin x dx =
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Which pair of the following chlorides do not impart colour to the flame?
Which pair of the following chlorides do not impart colour to the flame?
If for
and
,then X is equal to
If for
and
,then X is equal to
The metal ion, that plays an important role in muscle contraction, is
The metal ion, that plays an important role in muscle contraction, is