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AllQuestion and Answers: Page 1853

Question Number 18640 Answers: 1 Comments: 1

Question Number 18639 Answers: 0 Comments: 0

∫(√(1+x^4 )) dx please solve this question.

$\int \sqrt{1 + x^{4}} d x$ $p l e a s e s o l v e t h i s q u e s t i o n .$

Question Number 18632 Answers: 0 Comments: 0

x − 5x + 3 = 7 −4x = 4 x = −1

$x - 5 x + 3 = 7$ $- 4 x = 4$ $x = - 1$

Question Number 18625 Answers: 1 Comments: 1

x−5×+3=7

$x - 5 \times + 3 = 7$

Question Number 18624 Answers: 1 Comments: 0

Argon diffuses through a hole under prescribed condition of temperature and pressure at the rate of 3cm^3 per velocity. At what velocity will helium diffuse through the same hole under the same condition (Ar = 29.94 g, He = 4g).

$Argon diffuses through a hole under prescribed condition of temperature$ $and pressure at the rate of {3 cm}^{3} per velocity . At what velocity will helium$ $diffuse through the same hole under the same condition$ $(Ar = 29.94 g, He = 4 g) .$

Question Number 18627 Answers: 1 Comments: 1

lim_(x→0) (((sin x)/x))^((sin x)/(x−sin x))

$\lim_{x \to 0} {(\frac{\sin x}{x})}^{\frac{\sin x}{x - \sin x}}$

Question Number 18614 Answers: 0 Comments: 1

Question Number 18607 Answers: 1 Comments: 1

A block of mass M is pulled vertically upward through a rope of mass m by applying force F on-one end of the rope. What force does the rope exert on the block?

$A block of mass M is pulled vertically$ $upward through a rope of mass m by$ $applying force F on - one end of the rope .$ $What force does the rope exert on the$ $block ?$

Question Number 18606 Answers: 0 Comments: 0

(1/3)+(3/(3×7))+(5/(3×7×11))+(7/(3×7×11×15))+...n terms

$\frac{1}{3} + \frac{3}{3 \times 7} + \frac{5}{3 \times 7 \times 11} + \frac{7}{3 \times 7 \times 11 \times 15} + . . . n$ $t e r m s$

Question Number 18604 Answers: 0 Comments: 0

Question Number 18603 Answers: 0 Comments: 0

The work function of a metal is 4 eV. If light of frequency 2.3 × 10^(15) Hz is incident on metal surface, then, (1) No photoelectron will be ejected (2) 2 photoelectron of zero kinetic energy are ejected (3) 1 photoelectron of zero kinetic energy is ejected (4) 1 photoelectron is ejected, which required the stopping potential of 5.52 volt

$The work function of a metal is 4 eV . If$ $light of frequency 2.3 \times 10^{15} Hz is$ $incident on metal surface, then,$ $(1) No photoelectron will be ejected$ $(2) 2 photoelectron of zero kinetic$ $energy are ejected$ $(3) 1 photoelectron of zero kinetic$ $energy is ejected$ $(4) 1 photoelectron is ejected, which$ $required the stopping potential of 5.52$ $volt$

Question Number 18611 Answers: 1 Comments: 1

Without using L Hospital′s rule prove that lim_(x→0) ((sin x)/x)=1

$Without using L {Hospital}^{'} s$ $rule prove that \lim_{x \to 0} \frac{\sin x}{x} = 1$

Question Number 18593 Answers: 1 Comments: 0

Question Number 18590 Answers: 1 Comments: 0

∫ ((sin x)/(1 + cos^2 x)) dx

$\int \frac{\sin x}{1 + \cos^{2} x} d x$

Question Number 18588 Answers: 1 Comments: 0

sin x = ((2a + 3)/(a + 1)) How many a that can satisfy the equation above?

$\sin x = \frac{2 a + 3}{a + 1}$ $How many a that can satisfy the$ $equation above ?$

Question Number 18587 Answers: 0 Comments: 2

lim_(x→0) ((x . tan x)/(x sin x − cos x + 1))

$\lim_{x \to 0} \frac{x . \tan x}{x \sin x - \cos x + 1}$

Question Number 18584 Answers: 1 Comments: 0

Prove sin (((3π)/(10)))=((1+(√5))/4)

$P r o v e$ $\sin (\frac{3 π}{10}) = \frac{1 + \sqrt{5}}{4}$

Question Number 18575 Answers: 1 Comments: 0

If ( ) represents the least integer function, then the value of (10) + (10 + (1/(20))) + (10 + (2/(20))) + ... + (10 + ((19)/(20))) is equal to (1) 219 (2) 200 (3) 220 (4) 221

$If () represents the least integer function,$ $then the value of (10) + (10 + \frac{1}{20}) +$ $(10 + \frac{2}{20}) + . . . + (10 + \frac{19}{20}) is equal to$ $(1) 219$ $(2) 200$ $(3) 220$ $(4) 221$

Question Number 18574 Answers: 1 Comments: 0

The maximum value of f(x) = 2 − ∣x∣^2 − 2x is equal to (1) 6 (2) 4 (3) 5 (4) 3

$The maximum value of f (x) = 2 - ∣ x ∣^{2}$ $- 2 x is equal to$ $(1) 6$ $(2) 4$ $(3) 5$ $(4) 3$

Question Number 18568 Answers: 0 Comments: 0

The energy required to dislodge electron from excited isolated H-atom, IE_1 = 13.6 eV is (1) = 13.6 eV (2) > 13.6 eV (3) < 13.6 eV and > 3.4 eV (4) ≤ 3.4 eV

$The energy required to dislodge electron$ $from excited isolated H - atom, {IE}_{1} =$ $13.6 eV is$ $(1) = 13.6 eV$ $(2) > 13.6 eV$ $(3) < 13.6 eV and > 3.4 eV$ $(4) ⩽ 3.4 eV$

Question Number 18581 Answers: 1 Comments: 0

In moving a body of mass m up and down a rough incline plane of inclination θ, work done is (S is length of the planck, and μ is coefficient of friction).

$In moving a body of mass m up and$ $down a rough incline plane of inclination$ $θ, work done is (S is length of the planck,$ $and μ is coefficient of friction) .$

Question Number 18561 Answers: 0 Comments: 2

The acceleration of an object is given by a(t) = cos(nπ), and its velocity at time t = 0 is (1/(2π)). Find both the net and the total distance traveled in the first 1.5 seconds.

$The acceleration of an object is given by a (t) = \cos (n π), and its velocity$ $at time t = 0 is \frac{1}{2 π} . Find both the net and the total distance traveled in the$ $first 1.5 seconds .$

Question Number 18556 Answers: 1 Comments: 0

Question Number 18551 Answers: 1 Comments: 0

Question Number 18550 Answers: 1 Comments: 1

Question Number 18549 Answers: 0 Comments: 0

A particle of mass 1 gram executes an oscillatory motion on the concave surface of a spherical dish of radius 2 m, placed on a horizontal plane. If the motion of the particle starts from a point on the dish at the height of 1 cm from the horizontal plane and the coefficient of friction is 0.01, how much total distance will be moved by the particle before it comes to rest?

$A particle of mass 1 gram executes an$ $oscillatory motion on the concave$ $surface of a spherical dish of radius 2 m,$ $placed on a horizontal plane . If the$ $motion of the particle starts from a$ $point on the dish at the height of 1 cm$ $from the horizontal plane and the$ $coefficient of friction is 0.01, how much$ $total distance will be moved by the$ $particle before it comes to rest ?$

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