MCQOPTIONS
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MCQOPTIONS
This section includes 778 Mcqs, each offering curated multiple-choice questions to sharpen your Physics Mcqs knowledge and support exam preparation. Choose a topic below to get started.
| 501. |
The radius of geostationary orbit from the centre of the earth is nearly______________? |
| A. | 42000km |
| B. | 36000km |
| C. | 24000 km |
| D. | 18000 km |
| Answer» B. 36000km | |
| 502. |
The direction of the linear velocity of a body moving in a circle is______________? |
| A. | along the axis of rotation |
| B. | along the tangent |
| C. | directed towards the centre |
| D. | directed away from the centre |
| Answer» C. directed towards the centre | |
| 503. |
Bernoulli’s equation is applicable for_________________? |
| A. | Laminar flow |
| B. | Turbulent flow |
| C. | Both laminar and turbulent flow |
| D. | None of these |
| Answer» D. None of these | |
| 504. |
The density of human blood is nearly equal to____________? |
| A. | Water |
| B. | Honey |
| C. | Mercury |
| D. | Oil (kerosene) |
| Answer» B. Honey | |
| 505. |
The normal blood pressure range for a human body is______________? |
| A. | 120 to 80 torr |
| B. | 100 to 80 torr |
| C. | 120 to 60 torr |
| D. | 60 to 140 torr |
| Answer» D. 60 to 140 torr | |
| 506. |
The speed of the fluid is maximum in the venturi meter at_______________? |
| A. | Convergent duct |
| B. | Divergent duct |
| C. | Throat |
| D. | None of these |
| Answer» E. | |
| 507. |
Geostationary satellite completes one rotation around the earth in_______________? |
| A. | 3 hours |
| B. | 6 hours |
| C. | 12 hours |
| D. | 24 hours |
| Answer» E. | |
| 508. |
One radian is equal to______________? |
| A. | 67.3° |
| B. | 57.3° |
| C. | 87.3° |
| D. | 60° |
| Answer» C. 87.3° | |
| 509. |
Stokes law is applicable if body has __________shape? |
| A. | Rough |
| B. | Square |
| C. | Circular |
| D. | Spherical |
| Answer» E. | |
| 510. |
Which one does not work according to resonance ? |
| A. | T.V |
| B. | Radio |
| C. | Microwave oven |
| D. | Bulb |
| Answer» E. | |
| 511. |
hen a body moves in a circle, the angle between its linear velocity and angular velocity is always_______________? |
| A. | 180° |
| B. | 0° |
| C. | 90° |
| D. | 45° |
| Answer» D. 45° | |
| 512. |
The period of a circular motion is given by_______________? |
| A. | T = πv |
| B. | T = πw |
| C. | T = 2πr |
| D. | T = 2πr/v |
| Answer» E. | |
| 513. |
Ideal fluid is_______________? |
| A. | Non-viscous |
| B. | Incompressible |
| C. | Steady flow |
| D. | Possess all properties |
| Answer» E. | |
| 514. |
Which one is venturi relation ? |
| A. | P1 – P2 = 1/2 ρV22 |
| B. | V2 = 2g (h1-h2) |
| C. | P = 1 /2ρV2 = ρgh = constant |
| D. | A1 V1 = A2 V2 = constant |
| Answer» B. V2 = 2g (h1-h2) | |
| 515. |
The circumference subtends an angle________________? |
| A. | π radian |
| B. | 2π radian |
| C. | π/2 radian |
| D. | 4π radian |
| Answer» C. π/2 radian | |
| 516. |
Systolic pressure is called_______________? |
| A. | Low blood pressure |
| B. | High blood pressure |
| C. | Normal blood pressure |
| D. | Abnormal blood pressure |
| Answer» C. Normal blood pressure | |
| 517. |
The instrument used to measure blood pressure is called____________? |
| A. | Venturimeter |
| B. | Blood pressure |
| C. | Sphygmomanometer |
| D. | Sonometer |
| Answer» D. Sonometer | |
| 518. |
The rotational K.E of the hoop is equal to the______________? |
| A. | its translational K.E |
| B. | half than its translational K.E |
| C. | double than its translational K.E |
| D. | four times than its translational K.E |
| Answer» B. half than its translational K.E | |
| 519. |
The effect of the decrease in pressure with the increase of the speed of the fluid in a horizontal pipe is known as______________? |
| A. | Bernoulli effect |
| B. | Torricelli effect |
| C. | Venturi effect |
| D. | Stokes effect |
| Answer» D. Stokes effect | |
| 520. |
A chimney works best if air exposed to the chimney is______________? |
| A. | Stationary |
| B. | Moving |
| C. | Moving slowly |
| D. | Moving fast |
| Answer» E. | |
| 521. |
A body can have constant velocity when it follows a_____________? |
| A. | Elliptical path |
| B. | Circular path |
| C. | Parabolic path |
| D. | Rectilinear path |
| Answer» E. | |
| 522. |
A stone is whirled in a vertical circle at the end of a string. When the stone is at the highest position the tension in the string is______________? |
| A. | Maximum |
| B. | Zero |
| C. | Equal to the weight of the stone |
| D. | Less than the weight of the stone |
| Answer» D. Less than the weight of the stone | |
| 523. |
In case of planets the necessary acceleration is provided by______________? |
| A. | Gravitational force |
| B. | Frictional force |
| C. | Coulomb force |
| D. | Centripetal force |
| Answer» B. Frictional force | |
| 524. |
If a car moves with a uniform speed of 2 ms-1 in a circle of radius 0.4. Its angular speed is______________? |
| A. | 4 rad. S-1 |
| B. | 5 rad. S-1 |
| C. | 1.6 rad. S-1 |
| D. | 2.8 ms-1 |
| Answer» C. 1.6 rad. S-1 | |
| 525. |
Choose the correct statement. In the case of AC circuit ohms law holds for_______________? |
| A. | Peak values of voltage and current |
| B. | Effective values of voltage and current |
| C. | Instantaneous values of voltage and current |
| D. | All of the above |
| Answer» E. | |
| 526. |
Errors in the transmission of power through optic fiber can be minimized by using a______________? |
| A. | Multimode index fiber |
| B. | Graded index fiber |
| C. | Single mode step index fiber |
| D. | Copper wire |
| Answer» C. Single mode step index fiber | |
| 527. |
A cyclist cycling around a circular racing track skids because_____________? |
| A. | the centripetal force upon him is less than limiting friction |
| B. | the centripetal force upon him is greater than limiting friction |
| C. | the centripetal force upon him is equal to the limiting friction |
| D. | the friction between the tyres of the cycle and road vanishes |
| Answer» C. the centripetal force upon him is equal to the limiting friction | |
| 528. |
If 1 ampere current flows through 2m long conductor the charge flow through it in 1 hour will be_______________? |
| A. | 3600C |
| B. | 7200C |
| C. | 1C |
| D. | 2C |
| Answer» B. 7200C | |
| 529. |
Velocity of fluid increases where the pressure is________________? |
| A. | Low |
| B. | High |
| C. | Constant |
| D. | Changes continuously |
| Answer» B. High | |
| 530. |
Blood vessels are______________? |
| A. | Rigid |
| B. | Not rigid |
| C. | Of glass |
| D. | Of rubber |
| Answer» C. Of glass | |
| 531. |
Speed of efflux can be determined by applying______________? |
| A. | Bernoulli’s theorem |
| B. | Torricelli’s theorem |
| C. | Venture relation |
| D. | All |
| Answer» C. Venture relation | |
| 532. |
A man standing near a fast moving train may fall___________? |
| A. | On the train |
| B. | Away from the train |
| C. | Towards the train |
| D. | On himself |
| Answer» D. On himself | |
| 533. |
Concentration of red cells in blood is about______________? |
| A. | 25% |
| B. | 40% |
| C. | 50% |
| D. | 75% |
| Answer» D. 75% | |
| 534. |
Two fog droplets have radius 2:3 their terminal velocities are_______________? |
| A. | 4:06 |
| B. | 4:09 |
| C. | 2:09 |
| D. | 4.3 |
| Answer» C. 2:09 | |
| 535. |
Bernoulli’s equation is obtained by applying the law of conservation of ________________? |
| A. | Mass |
| B. | Energy |
| C. | Momentum |
| D. | Fluid |
| Answer» C. Momentum | |
| 536. |
For which position maximum blood pressure in the body have the smallest value ? |
| A. | Standing straight |
| B. | Sitting on chair |
| C. | Sitting on ground |
| D. | Laying horizontally |
| Answer» E. | |
| 537. |
Work done on the body equals to the _____________________? |
| A. | change in its K.E always |
| B. | change in its P.E always |
| C. | change in its K.E and change in its P.E |
| D. | neither change in K.E and nor change in its P.E |
| Answer» D. neither change in K.E and nor change in its P.E | |
| 538. |
When a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 is_______________? |
| A. | 2π |
| B. | π/2 |
| C. | π |
| D. | 20π |
| Answer» C. π | |
| 539. |
If a wheel of radius r turns through an angle of 30° then the distance through which any point on its rim moves is______________? |
| A. | π /3 x r |
| B. | π/6 x r |
| C. | V/30 x r |
| D. | π / 180 x r |
| Answer» C. V/30 x r | |
| 540. |
In an angular motion, Newton’s second law of motion is_____________? |
| A. | F=ma |
| B. | F=τp/It |
| C. | Στ = I α |
| D. | All above |
| Answer» D. All above | |
| 541. |
The angular speed of seconds hand of a watch in rads-1 is______________? |
| A. | π |
| B. | π/2 |
| C. | π/30 |
| D. | π/180 |
| Answer» D. π/180 | |
| 542. |
The shaft of a motor rotates at a constant angular speed of 360rev/min. Angle turned through in 1 sec in radian is________________? |
| A. | π |
| B. | 3π |
| C. | 6π |
| D. | 12π |
| Answer» E. | |
| 543. |
When the body moves with terminal velocity the acceleration in the body become_____________? |
| A. | 0 |
| B. | Maximum |
| C. | Variable |
| D. | Infinite |
| Answer» B. Maximum | |
| 544. |
Sphygmomanometers measures blood pressure ? |
| A. | Statically |
| B. | Dynamically |
| C. | Some time static and sometimes dynamic |
| D. | None of these |
| Answer» C. Some time static and sometimes dynamic | |
| 545. |
Terminal velocity is_____________? |
| A. | Uniform |
| B. | Maximum |
| C. | Uniform and maximum |
| D. | Neither uniform nor maximum |
| Answer» D. Neither uniform nor maximum | |
| 546. |
Terminal velocity is given by equation_______________? |
| A. | Vt = gr2ρ |
| B. | Vt = 2gr2/9ρ |
| C. | Vt = gr2/9ρ |
| D. | Vt = 9gr2/2ρ |
| Answer» C. Vt = gr2/9ρ | |
| 547. |
The flow of ideal fluid is always_______________? |
| A. | Turbulent |
| B. | Streamline |
| C. | Irregular |
| D. | Straight line |
| Answer» C. Irregular | |
| 548. |
The drag force is given by_________________? |
| A. | Newtons law |
| B. | Pascals law |
| C. | Gauss law |
| D. | Stokes law |
| Answer» E. | |
| 549. |
Minimum number of communication satellites required to cover the whole earth is______________? |
| A. | 4 |
| B. | 3 |
| C. | 2 |
| D. | 5 |
| Answer» C. 2 | |
| 550. |
Terminal velocity of the body is directly proportional to the_______________? |
| A. | The radius of the body |
| B. | The diameter of the body |
| C. | Size of the body |
| D. | Square of the diameter of the body |
| Answer» E. | |