MCQOPTIONS
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MCQOPTIONS
This section includes 754 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 301. |
The effective way to increase the sensitivity of a moving coil galvanometer is to___________________? |
| A. | use a very long and fine suspension |
| B. | use a coil of very large area |
| C. | use a coil with very large number of turns |
| D. | use a very strong magnetic field |
| Answer» E. | |
| 302. |
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 | |
| 303. |
The drag force is given by_________________? |
| A. | Newtons law |
| B. | Pascals law |
| C. | Gauss law |
| D. | Stokes law |
| Answer» E. | |
| 304. |
The dot product of force and velocity is__________________? |
| A. | power |
| B. | work |
| C. | impulse |
| D. | torque |
| Answer» B. work | |
| 305. |
The distance covered by a body in time t starting from rest is__________________? |
| A. | at2/2 |
| B. | Vt |
| C. | a2t/2 |
| D. | at2 |
| Answer» B. Vt | |
| 306. |
The distance covered by a body in one complete vibration is 20cm. What is the amplitude of body ___________________? |
| A. | 10 cm |
| B. | 5 cm |
| C. | 15 cm |
| D. | 7.5 cm |
| Answer» C. 15 cm | |
| 307. |
The distance between any two consecutive crests or troughs is called____________________? |
| A. | frequency |
| B. | period |
| C. | Wave length |
| D. | phase difference |
| Answer» D. phase difference | |
| 308. |
The displacement of SHM is written as X = X`sinθt if the displacement is written by X = Xθ sont then phase constant will be equal to_______________? |
| A. | 0° |
| B. | 45° |
| C. | 90° |
| D. | 180° |
| Answer» D. 180° | |
| 309. |
The direction of the vector product is given by______________? |
| A. | Head to tail rule |
| B. | Right-hand rule |
| C. | Left-hand rule |
| D. | Triangular rule |
| Answer» C. Left-hand rule | |
| 310. |
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 | |
| 311. |
The direction of propagation of an electromagnetic waves is________________? |
| A. | Perpendicular to electric field |
| B. | Perpendicular to both electric and magnetic field |
| C. | Perpendicular to magnetic field |
| D. | Parallel to electric and magnetic field |
| Answer» C. Perpendicular to magnetic field | |
| 312. |
The direction of a vector in space is specified by_______________? |
| A. | One angle |
| B. | Two angle |
| C. | Three angle |
| D. | No angle |
| Answer» D. No angle | |
| 313. |
The dimensions of the coefficient of viscosity are_____________? |
| A. | ML-1T-1 |
| B. | M2L1T1 |
| C. | ML1T-1 |
| D. | M2L-1T-1 |
| Answer» B. M2L1T1 | |
| 314. |
The dimension of torque is______________? |
| A. | [ML2T-2] |
| B. | [MLT-2] |
| C. | [ML2T] |
| D. | [ML-2T-2] |
| Answer» B. [MLT-2] | |
| 315. |
The dimension of elastic modulus is ___________________ ? |
| A. | ML-1T-2 |
| B. | ML-2T-2 |
| C. | MLT-2 |
| D. | ML2T-2 |
| Answer» B. ML-2T-2 | |
| 316. |
The dimension of power is_______________? |
| A. | [ML2T-3] |
| B. | [ML2T-2] |
| C. | [ML2T3] |
| D. | none of these |
| Answer» B. [ML2T-2] | |
| 317. |
The dimension of force is__________________? |
| A. | MLT-1 |
| B. | MLT-2 |
| C. | ML-1T |
| D. | ML-1T-2 |
| Answer» C. ML-1T | |
| 318. |
The dimension of force is____________________? |
| A. | MLT-2 |
| B. | ML2T-2 |
| C. | ML2T2 |
| D. | ML-2T-2 |
| Answer» B. ML2T-2 | |
| 319. |
The diameter of an atom is approximately_______________? |
| A. | 10-12m |
| B. | 10-11m |
| C. | 10-10m |
| D. | 10-14m |
| Answer» D. 10-14m | |
| 320. |
The diameter of a lens is called________________? |
| A. | focal length |
| B. | principal axis |
| C. | aperture |
| D. | radius of curvature |
| Answer» C. aperture | |
| 321. |
The device used for conversion of D.C. to A.C. is called______________? |
| A. | Converter |
| B. | A rectifier |
| C. | Inverter |
| D. | Oscillator |
| Answer» D. Oscillator | |
| 322. |
The device or circuit used for conversion of A.C. into D.C. is called_______________? |
| A. | An amplifier. |
| B. | A rectifier |
| C. | Filtering circuit |
| D. | Converter. |
| Answer» C. Filtering circuit | |
| 323. |
The density of human blood is nearly equal to____________? |
| A. | Water |
| B. | Honey |
| C. | Mercury |
| D. | Oil (kerosene) |
| Answer» B. Honey | |
| 324. |
The deflection for 50 division of galvanometer is decreased to 25 divisions by shunt resistance of 12Ω. Galvanometer resistance is_____________? |
| A. | 18Ω |
| B. | 30Ω |
| C. | 24Ω |
| D. | 12Ω |
| Answer» E. | |
| 325. |
The current through a metallic conductor is due to the motion of _________________? |
| A. | free electrons |
| B. | protons |
| C. | neutrons |
| D. | still under controversy |
| Answer» B. protons | |
| 326. |
The curie temperature is that at which ____________________? |
| A. | Semi-conductor becomes conductors |
| B. | Ferromagnetic becomes paramagnetic |
| C. | Paramagnetic becomes diamagnetic |
| D. | Metals become super conductor |
| Answer» C. Paramagnetic becomes diamagnetic | |
| 327. |
The cross product of two vectors is a negative vector when______________? |
| A. | They are parallel vectors |
| B. | They are anti parallel vectors |
| C. | They are a perpendicular vector |
| D. | They are rotated through 270° |
| Answer» E. | |
| 328. |
The cross product i^ x j^ is equal to_______________? |
| A. | Zero |
| B. | One |
| C. | i^ |
| D. | k^ |
| Answer» E. | |
| 329. |
The critical speed of an artificial satellite is_______________? |
| A. | 8 Kms-1 |
| B. | 8.1 Kms-1 |
| C. | 7.9 Kms-1 |
| D. | 8 ms-1 |
| Answer» D. 8 ms-1 | |
| 330. |
The consumption of energy by a 60 watt bulb in 2 sec is_________________? |
| A. | 120 J |
| B. | 60 J |
| C. | 30 J |
| D. | 0.02 J |
| Answer» B. 60 J | |
| 331. |
The collision between two bodies be elastic if bodies are_________________? |
| A. | solid and soft |
| B. | soft and elastic |
| C. | solid and hard |
| D. | hard and elastic |
| Answer» D. hard and elastic | |
| 332. |
The co efficient of linear expansion is equal to__________? |
| A. | ΔL = αLΔT |
| B. | ΔL/LΔT |
| C. | LΔT/ΔL |
| D. | αLΔT-ΔL |
| Answer» B. ΔL/LΔT | |
| 333. |
The circumference subtends an angle________________? |
| A. | π radian |
| B. | 2π radian |
| C. | π/2 radian |
| D. | 4π radian |
| Answer» C. π/2 radian | |
| 334. |
The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field the orbit will be__________________? |
| A. | a circle |
| B. | a spiral |
| C. | an ellipse |
| D. | helix |
| Answer» E. | |
| 335. |
The charge on neutron is_______________? |
| A. | Plus 1.6 x 10-19C |
| B. | Zero |
| C. | Minus 1.6 x 10-19C |
| D. | No definite charge |
| Answer» C. Minus 1.6 x 10-19C | |
| 336. |
The charge on beta particle is________________? |
| A. | 1 |
| B. | -1 |
| C. | +2 |
| D. | -2 |
| Answer» B. -1 | |
| 337. |
The charge on alpha particles is________________? |
| A. | Plus one |
| B. | Plus two |
| C. | Minus two |
| D. | Minus one |
| Answer» C. Minus two | |
| 338. |
The charge on an electron was determine by ________________? |
| A. | Ampere |
| B. | Maxwell |
| C. | Millikan |
| D. | Thomson |
| Answer» D. Thomson | |
| 339. |
The characteristic X-rays spectrum is due to_____________? |
| A. | The illumination of the target metal by ultra-violet radiation |
| B. | The bombardment of the target by protons |
| C. | The bombardment of target by electrons |
| D. | The absorption of radiation by the target metal |
| Answer» D. The absorption of radiation by the target metal | |
| 340. |
The centripetal acceleration produced in a rotating body is commonly due to change on_________of body? |
| A. | magnitude |
| B. | direction |
| C. | both |
| D. | None of these |
| Answer» C. both | |
| 341. |
The carburettor of a car is an application of_______________? |
| A. | Venturi meter |
| B. | Bernoulli equation |
| C. | Both A and B |
| D. | None |
| Answer» D. None | |
| 342. |
The bulk properties of materials such as their mode of fracture can be related to their____________________? |
| A. | Polymerization |
| B. | Cleavage |
| C. | Microstructure |
| D. | Dislocation |
| Answer» D. Dislocation | |
| 343. |
The breaking of crystals along definite direction is called _____________________? |
| A. | Cleavage |
| B. | Symmetry |
| C. | Isotropy |
| D. | Homogeneity |
| Answer» B. Symmetry | |
| 344. |
The branch of science which deals with the properties of matter and energy is called__________? |
| A. | Biology |
| B. | Geography |
| C. | Physics |
| D. | Chemistry |
| Answer» D. Chemistry | |
| 345. |
The branch of physics which deals with the living things is called_________? |
| A. | biological sciences |
| B. | physical sciences |
| C. | cell systems |
| D. | elementary physics |
| Answer» B. physical sciences | |
| 346. |
The Branch of Physics deals with highly energetic ions is called__________? |
| A. | Elementary articles |
| B. | Article physics |
| C. | Ionic physics |
| D. | Plasma physics |
| Answer» E. | |
| 347. |
The branch of Physics which deals with properties of gravitational? |
| A. | Field theory |
| B. | Acoustics |
| C. | Hydro dynamic |
| D. | Optics |
| Answer» B. Acoustics | |
| 348. |
The bombardment of nitrogen with alpha particles will produce______________? |
| A. | Neutron |
| B. | Proton |
| C. | Electron |
| D. | Positron |
| Answer» C. Electron | |
| 349. |
The blue colour of the sky is due to___________________? |
| A. | diffraction |
| B. | reflection |
| C. | polarization |
| D. | scattering |
| Answer» E. | |
| 350. |
The blood flow is _______________ flow at systolic pressure? |
| A. | Laminar |
| B. | Turbulent |
| C. | Mixed |
| D. | None |
| Answer» B. Turbulent | |