| 1. | Total internal reflection occurs when Angle of incidence is greater than critical angle. | 0 | | Angles
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| 2. | एक त्रिभुज \( A B C \) में यदि \( \angle A=x^{\circ}, \angle B=\left(3 x-2^{\circ}\right), \angl... | 0 | | Angles
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| 3. | Find
the time of flight
of a projectile given
angular projection on an inclined plane where angl... | 0 | | Angles
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| 4. | यदि \( \triangle \mathrm{ABC} \) में \( \angle \mathrm{C}=2 \angle \mathrm{B}=\angle \mathrm{A}+... | 0 | | Angles
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| 5. | \( \triangle A B C \) में, \( \angle A=45^{\circ}, \angle B=60^{\circ} \) तथा \( \angle C=75^{\c... | 0 | | Angles
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| 6. | In the given figure, if \( \angle P Q R=\angle P R Q \), then prove that \( \angle P Q S=\angle ... | 0 | | Angles
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| 7. | In the given figure, the bisectors of \( \angle A B C \) and \( \angle B C A \), intersect each ... | 0 | | Angles
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| 8. | एक \( \triangle \mathrm{ABC} \) में, \( \angle \mathrm{C}=3 \angle \mathrm{B}=2(\angle \mathrm{A... | 0 | | Angles
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| 9. | In \( \triangle A B C, \angle A=\angle B+\angle C \), then the circumcentre is at
(a) \( A \)
(b... | 0 | | Angles
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| 10. | Find 1
horizontal range of a projectile given
angular projection on an inclined plane where angl... | 0 | | Angles
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| 11. | आकृति \( 7.49 \) में \( \angle \mathrm{B}\angle \mathrm{A} \) और \( \angle \mathrm{C}\angle \mat... | 0 | | Angles
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| 12. | In the given figure, \( \angle B C D=40^{\circ}, \angle E D C=35^{\circ} \), \( \angle C B F=30^... | 0 | | Angles
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| 13. | In the given figure, prove that \[ \angle A D C=\angle A+\angle B+\angle C \text {. } \] | 0 | | Angles
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| 14. | Ir \( \triangle A B C, \angle A=\theta, \angle B=90^{\circ} \) and \( \angle C=\phi \).If \( B C... | 0 | | Angles
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| 15. | A particle is projected at \( t=0 \) from a point on the ground with certain velocity at an angl... | 0 | | Angles
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| 16. | In the given figure, \( \angle B C D=40^{\circ}, \angle E D C=35^{\circ} \), \( \angle C B F=30^... | 0 | | Angles
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| 17. | \(\angle A\) in the figure \(=50^{\circ}\), and \(\angle EBC =25^{\circ}\), then find \(\angle EC... | 0 | | Angles
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| 18. | In \(\triangle ABC , \angle B\) is less than \(\angle C\). \(AD\) is the bisector of \(\angle A\)... | 0 | | Angles
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| 19. | If two tangents are drawn to a circle from an external point, show that they subtend equal angles... | 0 | Show | Angles
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| 20. | In a \( \triangle A B C, \angle C=3 \angle B=2(\angle A+\angle B) \... | 0 | | Angles
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| 21. | यदि \( \triangle \mathrm{ABC} \) में \( \angle \mathrm{C}=2 \angle \mathrm{B}=\angle \mathrm{A}+... | 0 | | Angles
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| 22. | In a \( \triangle P Q R, L \) and \( M \) are two points on base \( Q R \), such
P that \( \angl... | 0 | | Angles
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| 23. | दिये चित्र में, \( \angle 1=\angle 2 \) और \( \angle 3=\angle 4 \) है। यदि \( B C=7.5 \) सेमी, \... | 0 | | Angles
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| 24. | यदि \( \triangle \mathrm{ABC} \) में \( \angle \mathrm{C}=2 \angle \mathrm{B}=\angle \mathrm{A}+... | 0 | | Angles
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| 25. | If \( 3 \angle A=4 \angle B=6 \angle C \), then the ratio of \( A: B: C \) is ........ . | 0 | | Angles
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| 26. | In a \( \triangle P Q R, L \) and \( M \) are two points on base \( Q R \), such
P that \( \angl... | 0 | | Angles
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| 27. | If \( 3 \angle A=4 \angle B=6 \angle C \), then the ratio of \( A: B: C \) is ........ . | 0 | | Angles
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| 28. | In the given figure, \( A C \perp C E \) and \( \angle A: \angle B: \angle C=5: 3: 2 \). Find th... | 0 | | Angles
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| 29. | Assertion (A): Angle of repose is equal to the angle of friction.
Reason (R): When a body is jus... | 0 | | Angles
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| 30. | \( \triangle P Q R \) में \( \angle \mathrm{P}=x^{\circ}, \angle Q=3 x^{\circ}, \angle R=y^{\cir... | 0 | | Angles
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| 31. | In a parallelogram A B C D, if ∠ B=135^∘, determine the measures of its other angles. | 0 | Vlog | Angles
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| 32. | Which one correct for bond angle
P
(1) \( \mathrm{PF}_{3}\mathrm{PC... | 0 | | Angles
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| 33. | If the angle A is equal to 711th of its supplementary angle. Find the complementary angle of angl... | 0 | | Angles
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| 34. | Find out the relation between (adjacent angle)
P \( \angle \mathrm{... | 0 | | Angles
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| 35. | आकृति \( 6.40 \) में, \( \angle \mathrm{X}=62^{\circ} \) और \( \angle \mathrm{XYZ}=54^{\circ} \)... | 0 | | Angles
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| 36. | \( \triangle A B C \) में, \( \angle A=x^{\circ}, \angle B=3 x^{\circ} \) और \( \angle C=y^{\cir... | 0 | | Angles
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| 37. | Tangent of an angle increases four times as the angle itself. At that angle, sine of the angle i... | 0 | | Angles
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| 38. | दिये चित्र में \( \triangle E D C \sim \triangle E B A, \angle B E C=115^{\circ} \) और \( \angle... | 0 | | Angles
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| 39. | If an angle of a parallelogram is two thirds of its adjacent angle, the smallest angle of the pa... | 0 | Vlog | Angles
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| 40. | In a \( \triangle A B C, \angle C=3 \angle B=2(\angle A+\angle B) \). Find the measure of each o... | 0 | | Angles
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| 41. | Tangent of an angle increases four times as the angle itself. At that angle, sine of the angle i... | 0 | | Angles
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| 42. | - \( \triangle A B C \) और \( \triangle D E F \) में, \( \angle A=\angle D, \angle F=\angle C \)... | 0 | | Angles
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| 43. | In the given figure, \( A C \perp C E \) and \( \angle A: \angle B: \angle C=5: 3: 2 \). Find th... | 0 | | Angles
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| 44. | In the given figure, if \( \angle P Q R=\angle P R Q \),
PV then prove that \( \angle P Q S=\ang... | 0 | | Angles
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| 45. | In the given figure, if \( \angle P Q R=\angle P R Q \),
PV then prove that \( \angle P Q S=\ang... | 0 | | Angles
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| 46. | A particle is projected at \( t=0 \) from a point on the ground with certain velocity at an angl... | 0 | | Angles
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| 47. | If \( \angle \mathrm{A} \) and \( \angle \mathrm{B} \) are acute angles such that \( \cos \mathr... | 0 | | Angles
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| 48. | \( \triangle A B C \) में, \( \angle A=x^{\circ}, \angle B=3 x^{\circ} \) और \( \angle C=y^{\cir... | 0 | | Angles
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| 49. | In Fig., \( \quad A E \) bisects \( \angle C A D \) and \( \angle B=\angle C \). Prove that \( A... | 0 | | Angles
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| 50. | A particle is projected at \( t=0 \) from a point on the ground with certain velocity at an angl... | 0 | | Angles
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| 51. | एक \( \triangle \mathrm{ABC} \) में, \( \angle \mathrm{C}=3 \angle \mathrm{B}=2(\angle \mathrm{A... | 0 | | Angles
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| 52. | यदि दो त्रिभुज \( A B C \) तथा \( D E F \) में, \( \angle A=\angle E, \angle B=\angle F \) हो, त... | 0 | | Angles
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| 53. | A particle is projected at \( t=O \) from a point on the ground with certain velocity at an angl... | 0 | | Angles
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| 54. | If the bisectors of angles \( \angle \mathrm{B} \) and \( \angle \mathrm{C} \) of a triangle \( ... | 0 | | Angles
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| 55. | If an angle A is increased by twice, then it becomes equal to supplementary angle of angle A. Fin... | 0 | | Angles
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| 56. | A particle is projected at \( t=0 \) from a point on the ground with certain velocity at an angl... | 0 | | Angles
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| 57. | एक \( \triangle A B C \) में \( \angle A=x^{\circ}, \angle C=y^{\circ}, \angle B=3 x^{\circ} \) ... | 0 | | Angles
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| 58. | \( \triangle \mathrm{ABC} \) में, \( \angle \mathrm{C}=2 \angle \mathrm{B}=\angle \mathrm{A}+\an... | 0 | | Angles
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| 59. | An angle is 40° more than 13rd of its supplement. Find the supplementary angle of that angle.... | 0 | | Angles
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| 60. | Angle made by straight line AB with positive x-axis is;\n.... | 0 | | Angles
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| 61. | If an angle of a parallelogram is four-fifths of its adjacent angle, find the angles of the para.... | 0 | | Angles
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| 62. | Using a protractor, draw an angle of measure 68°. With this angle as given, draw an angle o.... | 0 | | Angles
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| 63. | For the resultant of two vectors to be maximum, what must be the angle between them?.... | 0 | | Angles
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| 64. | In \\(\\triangle P Q R, \\angle P: \\angle Q: \\angle R=1: 2: 3\\) then \\(p: q: r\\)","hindi":".... | 0 | | Angles
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| 65. | An electric dipole of length 1 cm is placed with the axis making an angle of 30o to an electric .... | 0 | | Angles
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| 66. | Angles of a triangle are in the ratio 2 : 4 : 3. The smallest angle of the t.... | 0 | | Angles
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