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...........is the measure of an angle in radian through which the pendulum swings if its length is 75 cm and makes an arc of length 21 cm

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The correct Answer is:
`7/25` Radian
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Find the angle in radian through which a pendulum swings if its length is 75 cm and the tip describes an arc of length (i) 10 cm (ii) 15 cm (iii) 21cm. 10cm

Find the angle in radian through which a pendulum swings if its length is 75 cm and the tip describes an arc of length (i) 10 cm (ii) 15 cm (iii) 21cm.

Find the angle in radian through which a pendulum swings if its length is 75 cm and the tip describes an arc of length (i) 10 cm (ii) 15 cm (iii) 21cm.

What will be the time period of seconds pendulum if its length is doubled?

Find the degree measure of the angle subtended at the centre of a circle of radius 100 cm by an are of length 22cm . (Use pi=(22)/(7) )

Radius of curvature of a concave mirror is 20 cm, then its focal length is ...... cm.

What is the length of a simple pendulum, which ticks seconds ?

Find the radius of the circle in which a central angle of 60^(@) intercepts an arc of length 37.4 cm. (Use pi=(22)/(7) )

In an experiment to determine acceleration due to gravity, the length of the pendulum is measured as 98 cm be a scale of least count of 1 cm. The period of swing/oscillations is measured with the help of a stop watch having a least count of 1s. The time period of 50 oscillation is found to be 98 s. Express value of g with proper error limits.

KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Trigonometric Functions (Fill in the blanks)
  1. Measure of an angle of the regular polygon having ten sides is ..........

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  2. Length of the arc of circle with radius 5 cm and angle at centre is 15...

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  3. ...........is the measure of an angle in radian through which the pend...

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  4. Graph of sin(x) function repeats its value in ......... Interval lengt...

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  5. 2sin^(2)((pi),(4))+2cos^2((pi),(4))+sec^2((pi),(3)) has value ...........

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  6. cos(pi/3)cos(pi/4) + sin(pi/3) sin(pi/4) .................

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  7. cos((65pi)/4)=.........

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  8. If cot x = - sqrt(5) and x in second quadrant then sin x = ..........

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  9. 2sin((5pi)/12) sin(pi/12)=.........

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  10. The value of (1-tan^(2)(15^(@)))/(1+tan^(2)(15^(@))) is ………..

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  11. If A +B + C = pi then secA (cos B cos C - sin B sin C) = .........

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  12. 3sin(pi/9) - 4sin^(3)(pi/9) = .......

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  13. One root of the equation 6x - 8x^3=sqrt3 is .........

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  14. (sin(3alpha))/(1+2cos(2alpha))= ..........

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  15. cos(47^@) cos (13^@) - sin (47^@) sin(13^@)= .........

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  16. sin((7pi)/(12))cos(pi/4)-cos((7pi)/(12))sin(pi/4)=...........

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  17. Sum of the measure of an angle of cyclic quadrilateral ABCD is ..........

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  18. Solution set of the equation 3 tan^(2) theta + 4 tan theta + 2 =0 is ....

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  19. For DeltaABC , sinA + sinB + sinC

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  20. In DeltaABC, m angleA = 90 , m angle B = 30 and a = 10^@ then b = .......

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