MCQ
`int_(pi/4)^(pi/2) sqrt(1-sin 2x) dx =` ______.
- A`sqrt2`
- ✓`sqrt2 - 1`
- C`1/(sqrt2-1)`
- D`sqrt2 + 1`
✓
Answer
Correct option: B.
`sqrt2 - 1`
B
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Figure show the circular coil carrying current I kept very close but not touching at a point A on a straight conductor carrying the same current l. The magnitude of magnetic induction at the centre of the circular coil will be.
For any non$-$zero vectors $a$ and $b, [b a × b a] =$ ?
→Study the following sentences and select the correct option.
$(i)$ Addition of one or two bases changes the combination of sequence in codons.
$(ii)$ Addition or deletion of single nucleotide changes the reading frame.
$(iii)$ The reading frame beyond the point of insertion of three bases remains unaltered.
→$(i)$ Addition of one or two bases changes the combination of sequence in codons.
$(ii)$ Addition or deletion of single nucleotide changes the reading frame.
$(iii)$ The reading frame beyond the point of insertion of three bases remains unaltered.
For a radiation of 9 GHz passing through air. The number of waves passing through 1 m length is ____________.
When wavelength of light used in optic I instruments A and Bare 4500 Å and 6000 Å respectively, the ratio of resolving pow of A to B will be ______.
If in a right-angled triangle ABC, the hypotenuse AB = p, then `overline"AB".overline" AC" + overline"BC".overline" BA" + overline" CA".overline"CB"` is equal to ______
Five capacitors each of capacitance 'C' are connected as shown in the figure. The ratio of equivalent capacitance between P and R and the equivalent capacitance between P and Q is ______.
The average translational kinetic energy of a molecule in a gas is $E_1$. The kinetic energy of the electron (e) accelerated from rest through p.d. 'V' volt is $E_2$. The temperature at which $E_1= E_2$ is possible, is ______.
→The temperature of 32°C is equivalent to ______.
The equation of the plane through (-1, 1, 2), whose normal makes equal acute angles with co-ordinate axes is ______