MCQOPTIONS
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MCQOPTIONS
This section includes 76 Mcqs, each offering curated multiple-choice questions to sharpen your Basic GK knowledge and support exam preparation. Choose a topic below to get started.
| 51. |
What is measured by cusec? |
| A. | flow of water |
| B. | depth of water |
| C. | Quantity of water |
| D. | Purity of water |
| Answer» B. depth of water | |
| 52. |
Pascal is the unit? |
| A. | pressure |
| B. | rain |
| C. | Humidity |
| D. | temperature |
| Answer» B. rain | |
| 53. |
Who propounded the universal law of gravitation? |
| A. | Galileo |
| B. | Newton |
| C. | Copernicus |
| D. | none of these |
| Answer» C. Copernicus | |
| 54. |
Rocket works on the principle of |
| A. | energy conservation |
| B. | Bernoulli theorem |
| C. | momentum conservation |
| D. | none of these |
| Answer» D. none of these | |
| 55. |
Which physical quantity is obtained from the ratio of momentum and velocity of matter? |
| A. | Velocity |
| B. | mass |
| C. | Angular velocity |
| D. | Acceleration |
| Answer» C. Angular velocity | |
| 56. |
What makes a virtual image of a real object? |
| A. | convex mirror |
| B. | plane mirror |
| C. | concave mirror |
| D. | All of these |
| Answer» C. concave mirror | |
| 57. |
Is a mirror always a direct reflection of the real object? |
| A. | flat, convex, concave |
| B. | flat, concave |
| C. | convex-concave |
| D. | Plain, convex |
| Answer» E. | |
| 58. |
What is the nature of real reflection? |
| A. | Reverse |
| B. | straight |
| C. | upright and upside down |
| D. | None of these |
| Answer» B. straight | |
| 59. |
Creates a smaller image than the object? |
| A. | convex mirror |
| B. | concave mirror |
| C. | plane mirror |
| D. | Convex mirror and concave mirror |
| Answer» E. | |
| 60. |
According to the law of reflection of light - |
| A. | The angle of incidence is greater than the angle of reflection |
| B. | The angle of incidence is equal to the angle of reflection |
| C. | The angle of incidence is smaller than the angle of reflection |
| D. | All the statements are true |
| Answer» C. The angle of incidence is smaller than the angle of reflection | |
| 61. |
Is the image formed by a plane mirror always? |
| A. | virtual and vice versa |
| B. | Real and direct |
| C. | direct and virtual |
| D. | Actual |
| Answer» D. Actual | |
| 62. |
Controls the amount of light entering the eye? |
| A. | Iris |
| B. | pupil |
| C. | lens |
| D. | side muscles |
| Answer» B. pupil | |
| 63. |
Does the Sun look round at sunrise and sunset? |
| A. | Spherical |
| B. | Cubic |
| C. | Elliptical |
| D. | flat |
| Answer» E. | |
| 64. |
If the reflection formed in the mirror is always perpendicular to the object in shape, is the mirror? |
| A. | concave |
| B. | convex |
| C. | level |
| D. | None of these |
| Answer» D. None of these | |
| 65. |
What is the reflection made by a plane mirror? |
| A. | Actual |
| B. | Fantasy |
| C. | vice versa |
| D. | None of these |
| Answer» C. vice versa | |
| 66. |
Which of the following substances cannot be used for lenses? |
| A. | Water |
| B. | Soil |
| C. | Plastic |
| D. | glass |
| Answer» C. Plastic | |
| 67. |
What is the capacity of a convex lens? |
| A. | negative |
| B. | positive |
| C. | zero |
| D. | Others |
| Answer» C. zero | |
| 68. |
What is the S.I unit of lens capacity? |
| A. | meter |
| B. | (meter) 2 |
| C. | diopter |
| D. | Others |
| Answer» D. Others | |
| 69. |
The depth of the bucket filled with water seems low. this is due to ? |
| A. | complete internal reflection |
| B. | refraction |
| C. | Reflection |
| D. | None of these |
| Answer» C. Reflection | |
| 70. |
A stick inserted in water looks crooked. this is due to ? |
| A. | Reflection |
| B. | refraction |
| C. | Reflection and refraction |
| D. | None of these |
| Answer» C. Reflection and refraction | |
| 71. |
The width of a mirror is called the mirror? |
| A. | focus |
| B. | Dhruv |
| C. | Asterisks |
| D. | None of these |
| Answer» D. None of these | |
| 72. |
Used in solar cooker? |
| A. | concave mirror |
| B. | convex mirror |
| C. | plane mirror |
| D. | None of these |
| Answer» B. convex mirror | |
| 73. |
Do doctors use to check patients' nose, ears, throat etc.? |
| A. | plane mirror |
| B. | convex mirror |
| C. | concave mirror |
| D. | None of these |
| Answer» D. None of these | |
| 74. |
What is the refractive index of diamond? |
| A. | 1.77 |
| B. | 1.47 |
| C. | 1.44 |
| D. | 2.42 |
| Answer» E. | |
| 75. |
Stands in front of the driver of the motor vehicle? |
| A. | concave mirror |
| B. | plane mirror |
| C. | convex mirror |
| D. | Others |
| Answer» D. Others | |
| 76. |
What type of light beam is obtained by flashlight? |
| A. | parallel light beam |
| B. | convergent light |
| C. | Unrefracted light beam |
| D. | All the statements are true |
| Answer» C. Unrefracted light beam | |