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MCQOPTIONS
This section includes 200950 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
| 12651. |
Swapna bought 15 apples for Rs.10 and sold them at the rate of 12 apples for Rs.12. What is the percentage of profit made by her? |
| A. | 100% |
| B. | 150% |
| C. | 125% |
| D. | None of these |
| Answer» E. | |
| 12652. |
Which of the following types of capacitors is polarized? |
| A. | Electrolytic |
| B. | Interelectrode |
| C. | Mica |
| D. | Paper |
| Answer» B. Interelectrode | |
| 12653. |
A capacitance of 100 pF is the same as which of the following? |
| A. | 0.01 µF |
| B. | 0.0001 µF |
| C. | 0.001 µF |
| D. | 0.00001 µF |
| Answer» C. 0.001 µF | |
| 12654. |
Capacitance acts to store electrical energy as? |
| A. | current |
| B. | voltage |
| C. | a magnetic field. |
| D. | an electric field |
| Answer» E. | |
| 12655. |
If a capacitor has a negative temperature coefficient, then____ |
| A. | it will not work if the temperature is below freezing. |
| B. | its capacitance does not change with temperature. |
| C. | its capacitance increases as the temperature rises |
| D. | its capacitance decreases as the temperature rises |
| Answer» E. | |
| 12656. |
Suppose that two capacitors are connected in series, and their values are 47 pF and 33 pF. What is the net capacitance of this combination? |
| A. | 19 pF |
| B. | 33 pF |
| C. | 47 pF |
| D. | 80 pF |
| Answer» B. 33 pF | |
| 12657. |
A material with a high dielectric constant______. |
| A. | acts to increase capacitance per unit volume. |
| B. | acts to decrease capacitance per unit volume. |
| C. | has no effect on capacitance. |
| D. | causes a capacitor to become polarized. |
| Answer» B. acts to decrease capacitance per unit volume. | |
| 12658. |
The Mughal emperor who was died by falling down from the steps of the library |
| A. | Jahangir |
| B. | Akbar |
| C. | Humayun |
| D. | Babar |
| Answer» D. Babar | |
| 12659. |
If five 0.050-µF capacitors are connected in series, what is the net capacitance of the combination? |
| A. | 0.025 µF |
| B. | 0.50 µF |
| C. | 0.25 µF |
| D. | 0.010 µF |
| Answer» E. | |
| 12660. |
Suppose that three capacitors are in parallel. Their values are 0.0200 µF, 0.0500 µF, and 0.10000 µF. What is the net capacitance of this combination? |
| A. | 0.0125 µF |
| B. | 0.1000 µF |
| C. | 0.1700 µF |
| D. | 0.1250 µF |
| Answer» D. 0.1250 µF | |
| 12661. |
Humayun ascended the throne in |
| A. | 1507 |
| B. | 1565 |
| C. | 1541 |
| D. | 1530 |
| Answer» E. | |
| 12662. |
If five 0.050-µF capacitors are connected in parallel, what is the net capacitance of the combination? |
| A. | 0.010 µF |
| B. | 0.50 µF |
| C. | 0.25 µF |
| D. | 0.025 µF |
| Answer» D. 0.025 µF | |
| 12663. |
Which of the following is not a characteristic of mica capacitors? |
| A. | Excellent efficiency |
| B. | High voltage-handling capacity |
| C. | Small size, even for large values of capacitance |
| D. | None of these |
| Answer» D. None of these | |
| 12664. |
The battle of Chausa took place in |
| A. | 1530 |
| B. | 1548 |
| C. | 1570 |
| D. | 1539 |
| Answer» E. | |
| 12665. |
As capacitor plate area increases, all other things being equal,______. |
| A. | the current-handling ability decreases. |
| B. | the capacitance does not change. |
| C. | B the capacitance decreases. |
| D. | the capacitance increases. |
| Answer» E. | |
| 12666. |
As the spacing between plates in a capacitor is made smaller, all other things being equal, ? |
| A. | the capacitance increases |
| B. | the capacitance decreases |
| C. | the capacitance does not change |
| D. | the resistance increases |
| Answer» B. the capacitance decreases | |
| 12667. |
Which of the following capacitance values is most typical of a paper capacitor? |
| A. | 0.001 pF |
| B. | 100 µF |
| C. | 0.01 µF |
| D. | D 3300 µF |
| Answer» D. D 3300 µF | |
| 12668. |
Who was defeated by Sharsha in the battle of Chausa? |
| A. | Humayun |
| B. | Shajahan |
| C. | Akbar |
| D. | Babar |
| Answer» B. Shajahan | |
| 12669. |
Suppose that a capacitor, rated at 330 pF, shows an actual value of 317 pF. By how many percent does its actual capacitance differ from its rated capacitance? |
| A. | −0.039% |
| B. | −0.041% |
| C. | −3.9% |
| D. | −4.1% |
| Answer» D. −4.1% | |
| 12670. |
The main advantage of air as a dielectric material for capacitors is the fact that it? |
| A. | has a high dielectric constant |
| B. | has low loss. |
| C. | is not physically dense. |
| D. | None of these |
| Answer» C. is not physically dense. | |
| 12671. |
Humayun recaptured throne by defeating |
| A. | Khusru |
| B. | Adil Shah |
| C. | Hemu |
| D. | Sikander Sur |
| Answer» E. | |
| 12672. |
A capacitance of 0.033 µF is the same as which of the following? |
| A. | 33,000 pF |
| B. | 3300 pF |
| C. | 330 pF |
| D. | 33 pF |
| Answer» B. 3300 pF | |
| 12673. |
Which of the following capacitance values is most typical of a disk-ceramic capacitor? |
| A. | 10,000 µF |
| B. | 470 µF |
| C. | 33 µF |
| D. | 100 pF |
| Answer» E. | |
| 12674. |
The Law of Reflection states... |
| A. | the angle of incidence is less than the angle of reflection. |
| B. | the angle of incidence equals the angle of reflection |
| C. | the angle of incidence is greater than the angle of reflection |
| D. | None of these |
| Answer» C. the angle of incidence is greater than the angle of reflection | |
| 12675. |
The refractive index of a substance depends on... |
| A. | how much light is slowed down in a substance |
| B. | how much light is sped up in a substance |
| C. | how transparent a substance is |
| D. | None of these |
| Answer» B. how much light is sped up in a substance | |
| 12676. |
The war that took place between Humayun and sikander Sur |
| A. | Chanderi |
| B. | Sarhind |
| C. | Kanwa |
| D. | I Panipat war |
| Answer» C. Kanwa | |
| 12677. |
A reflected wave __________ comes off the smooth surface of a material at an angle equal to the angle at which the incoming wave hit the surface. |
| A. | sometimes |
| B. | never |
| C. | always |
| D. | None of these |
| Answer» D. None of these | |
| 12678. |
When did the Battle of Kanauj take place? |
| A. | 1540 |
| B. | 1538 |
| C. | 1531 |
| D. | 1530 |
| Answer» B. 1538 | |
| 12679. |
Light moves in waves of energized particles called photons. It can travel in... |
| A. | two directions at once |
| B. | in any direction at any time |
| C. | in one direction at a time only |
| D. | None of these |
| Answer» D. None of these | |
| 12680. |
Refraction occurs when light passes through... |
| A. | substances with the same optical density |
| B. | substances with the same density |
| C. | substances with different optical densities |
| D. | None of these |
| Answer» D. None of these | |
| 12681. |
Which of the following combinations represents the arrangements of the decreasing particle size order of soils? |
| A. | Clay, gravel, sand and silt |
| B. | Gravel, sand, silt, and clay |
| C. | Sand, gravel, clay and silt |
| D. | Silt, sand, gravel, and clay |
| Answer» C. Sand, gravel, clay and silt | |
| 12682. |
Humayun was born in |
| A. | Ahmadnagar |
| B. | Agra |
| C. | Kabul |
| D. | Allahabad |
| Answer» D. Allahabad | |
| 12683. |
Which one of the following is not a landlocked country in Africa. |
| A. | Botswana |
| B. | Zambia |
| C. | Lesotho |
| D. | Nigeria |
| Answer» E. | |
| 12684. |
Who was completely defeated by Shershah in the battle of Kannauj? |
| A. | Humayun |
| B. | Feroz Shah |
| C. | Baktiyar Kilji |
| D. | Akbar |
| Answer» B. Feroz Shah | |
| 12685. |
For reflection to occur, light must... |
| A. | bounce off a substance |
| B. | be absorbed by a substance |
| C. | be given off by a substance |
| D. | None of these |
| Answer» B. be absorbed by a substance | |
| 12686. |
The focal length of a diverging lens is 12 cm. An object is placed 5.0 cm away from the lens. The image will be? |
| A. | smaller and virtual |
| B. | larger and real |
| C. | the same size and real |
| D. | smaller and real |
| Answer» B. larger and real | |
| 12687. |
The proper name for the inability to focus in different planes is? |
| A. | hypermetropia |
| B. | astigmatism |
| C. | presbyopia |
| D. | glaucoma |
| Answer» C. presbyopia | |
| 12688. |
What was the period of rule of Humayun for the second term? |
| A. | 1551-52 |
| B. | 1549-50 |
| C. | 1558-59 |
| D. | 1555-56 |
| Answer» E. | |
| 12689. |
The Tomb of Humayun was made by |
| A. | Shaik Alam Shah |
| B. | Hussen |
| C. | Abdul Latif |
| D. | Hamida Banu Begum |
| Answer» E. | |
| 12690. |
In wildlife conservation, which one of the following best defines an 'endemic' species? |
| A. | When the critical number of a species declines in a forest due to parasitic attack. |
| B. | A species which is cosmopolitan and can be commonly found in a biosphere. |
| C. | An endangered species which is found in few restricted areas on the earth. |
| D. | A species confined to a particular region and not found anywhere else. |
| Answer» E. | |
| 12691. |
At the age of 12 Humayun was made the Governor of |
| A. | Gujrat |
| B. | Marwar |
| C. | Malwa |
| D. | Badakashan |
| Answer» E. | |
| 12692. |
The critical angle of zircon is 31°. Which of the following incident angles would result in total internal reflection? |
| A. | 17° |
| B. | 34° |
| C. | 42° |
| D. | B and C |
| Answer» E. | |
| 12693. |
A light ray has an angle of incidence of 34º. The reflected ray will make what angle with the reflecting surface? |
| A. | 0º |
| B. | 56º |
| C. | 34º |
| D. | 66º |
| Answer» C. 34º | |
| 12694. |
A block of glass is pushed into the path of the light, as shown below. The point where the light rays intersect will: |
| A. | stay in the same place |
| B. | move to the right |
| C. | move to the left |
| D. | shift up |
| Answer» C. move to the left | |
| 12695. |
The difference in the duration of day and night increases as one moves from ________ to _______. |
| A. | equator, pole |
| B. | pole, equator |
| C. | tropic of Cancer, equator |
| D. | tropic of cancer, tropic of capricon |
| Answer» B. pole, equator | |
| 12696. |
Equinoxes occur on |
| A. | January 4 and September 22 |
| B. | arch 21 and September 23 |
| C. | December 22 and June 21 |
| D. | March 21 and December 22 |
| Answer» C. December 22 and June 21 | |
| 12697. |
Who was the architect of Humayun tomb? |
| A. | Ali Khan |
| B. | Feroz |
| C. | Mir Quasim |
| D. | Mirza Ghayas |
| Answer» E. | |
| 12698. |
For a converging lens, a light ray that is travelling parallel to the principal axis refracts? |
| A. | parallel to the principal axis |
| B. | through the optical centre |
| C. | through the secondary focus |
| D. | through the principal focus |
| Answer» E. | |
| 12699. |
The South Pole experiences continuous light at the time of |
| A. | winter solistice |
| B. | summer solistice |
| C. | vernal equinox |
| D. | autumn equinox |
| Answer» B. summer solistice | |
| 12700. |
A survivor from a ship wreck sees an image of a fish in the water. To catch it with her spear, she must? |
| A. | aim above the image of the fish |
| B. | aim at the image of the fish |
| C. | aim below the image of the fish |
| D. | aim behind the fish |
| Answer» D. aim behind the fish | |