This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 65601. |
If we start cooling the water from its boiling point . then intially it cools : * A) slowly B) fast C) steadily |
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| 65602. |
on a dry day, the maximum safe speed on which a car can be driven on a curved horizontal road without skkiding is 7m/s . when the road is wet ,the friction force between the tyres and road reduces by 25%. |
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Answer» the answer Hope it will be HELPFUL for you. Thanks for READING. Mark as BRAINLIEST. |
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| 65603. |
As we attach weights to the lower end of spring mass oscillator, the spring gets : * A) stretched B) unstretched C) compressed |
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| 65604. |
प्राथमिक सहायक शब्द का प्रयोग कब से शुरू हुआ? Please give me answer |
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Answer» किसी रोग के होने या चोट लगने पर किसी अप्रशिक्षित व्यक्ति द्वारा जो सीमित उपचार किया जाता है उसे प्राथमिक चिकित्सा (FIRST AID) कहते हैं। इसका उद्देश्य कम से कम साधनों में इतनी व्यवस्था करना होता है कि चोटग्रस्त व्यक्ति को सम्यक इलाज कराने की स्थिति में लाने में लगने वाले समय में कम से कम नुकसान हो। अतः प्राथमिक चिकित्सा प्रशिक्षित या अप्रशिक्षित व्यक्तिओं द्वारा कम से कम साधनों में किया गया सरल उपचार है। कभी-कभी यह जीवन रक्षक भी सिद्ध होता है।Explanation:PLEASE MARK me as your FOLLOWER |
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| 65605. |
Using the graphical method show that: v= u?+ 2as, where the symbols have their usual meanings. |
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Answer» tion:u is initial velocity,V is final velocity,a is acceleration,t is time,SLOPE of the GRAPH is the acceleration andarea under the graph is DISTANCE. |
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| 65606. |
In Resonance Tube experiment , as the frequency of tunning fork increases , the corresponding vibrating length is * A) increases B) decreases C) remains same |
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Answer» In Resonance TUBE EXPERIMENT , as the FREQUENCY of tunning FORK increases , the corresponding vibrating length is * |
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| 65607. |
What is operational amlifire & Characteristics of what is operational amplifier &op-amp- |
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Answer» An OPERATIONAL amplifier (often op amp or opamp) is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended OUTPUT. ... By using negative feedback, the CHARACTERISTICS of an op-amp circuit, its gain, input and output impedance, BANDWIDTH etc.Pin configuration: : V+: non-inverting input; V−: inverting input; Vout: output; VS+: POS... |
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| 65609. |
if the uncertainty in measurement of second is 1 × 10^-11, after how many yeras the time clock will need to be corrected for 1 second? |
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| 65610. |
Can someone answer these I can't understand this question |
| Answer» TION:it NEEDS what will be the next step BHAGAVATHY will CONDUCT for the vertical shift of the glass slab | |
| 65611. |
Electric field intensity and electric potential due to a short dipole vary with distance r of a point from centre of dipole as * (a) r² and r³ (b) r³ and r² (c) r⁻² and r⁻³ (d) r⁻³ and r⁻² |
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Answer» and r 2 1 Electric FIELD and electric potential at a GENERAL point at a distance r from the centre of the dipole isE g = 4πϵ o 1 . r 3 P 3cos 2 θ+1 And, V g = 4πϵ o 1 . r 2 I hope it's helpful to youplease mark me as Branliest |
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| 65612. |
The numerical ratio of diplacement to distance for a moving object |
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Answer» e ratio of displacement to distance for a MOVING OBJECT is EQUAL to less than 1 |
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| 65613. |
The statement the Argention is false but season (O) Assention - The speed of an object can never negative Reason- speed is scalar quantity |
| Answer» TRUEEXPLANATION:PLEASE MARK my ANSWER is the BRAINLIEST answer | |
| 65615. |
three objects A B and C are in contact with each other whose temperature are given as 300 k 280 k 123 k respectively then find out which bodies are in thermal equilibrium |
| Answer» X FU jl BBC all K Kc z GO P NV x fu km | |
| 65616. |
Plz solve this yarno spam n (˘・_・˘) |
| Answer» TION:H= 2T cos(THETA) / r×d×gT= h×r×d×g/ 2 cos(theta)T= 0.015×0.0004×13600 ×9.8 / 2COS(148°)T=0.79968 / 1.696T=0.47 N/m | |
| 65617. |
The velocity time graph of a body is parallel to the time axis. the body is |
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Answer» If the velocity- time GRAPH of a body is parallel to the time axis, the body is moving with constant velocity or has UNIFORM motion.Its ACCELERATION is zero.Acceleration can be CALCULATED from the slope or INCLINATION of the graph. |
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| 65618. |
4 like charges of 30 microcolumnb are at located at four corners of a square , the diagonal measures 8cm . Find force of 100 microcolumb located at 3m above centre of square |
| Answer» BINOD binod binod binod binod binod binod binod binod binod binod binod | |
| 65619. |
The magnitude of average velocity of an body is equal to its average speed when |
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Answer» rage velocity of a body is defined as the total displacement of a body DIVIDED by the total time TAKEN. By looking at both the formulae we can say that the magnitude of AVERAGE velocity and average speed will be equal, when the total DISTANCE is equal to total displacement. |
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| 65620. |
Will cbse reduce class 11th syllabus for 2021 22 like they will for class 10 and 12 |
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Answer» abus will be reduced for class 10 and 12 for the SESSION 2021-2022. Only the syllabus will be divided into 2 parts. |
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| 65621. |
What kind of mirror is the inner side of a spoon |
| Answer» CONCAVE mirrorNote: The inner surface of a spoon acts like a concave mirror , while its outer surface acts like a CONVEX mirror. Concave mirror: If the REFLECTING surface of a spherical mirror is concave,it is called a concave mirror. For example the inner surface of a STEEL spoon acts like a concave mirror. | |
| 65622. |
3. If the ratio of the final velocities of two bodies falling freely is 4:3, then the ratio of the heights from which they fall is |
| Answer» RATIO of the final VELOCITIES of two BODIES falling freely is 4:3, then the ratio of the HEIGHTS from which they FALL isExplanation: | |
| 65623. |
The acceleration of a body is 40 m −2. Find the increase in its velocity (2) in 4 s. |
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Answer» mark brainlist Explanation:9x² - 9(a+b)X + ( 2a² + 5ab + 2b² ) = 0\begin{GATHERED}9x {}^{2} - 9(a + b) \: + \: (2a {}^{2} + 5ab + 2b {}^{2} ) \\ \end{gathered} 9x 2 −9(a+b)+(2a 2 +5ab+2b 2 ) please SOLVE this for mw |
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| 65624. |
300K,280K,123k which are in thermal contact |
| Answer» 300K EXPLANATION:please MARK me brainlist answer | |
| 65625. |
●○ ek mahtvpurn sandesh jo jo sam ko apna crush manti hai please usse dur rahe because he is a cheater he cheats all all the |
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| 65626. |
(b) 6Ω and 12Ω resistors are connected in parallel. Find their equivalent resistance. |
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| 65627. |
Which of the equation does not heat produced in a circuit carrying conductor |
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Answer» "HENCE the heating effect PRODUCED by an electric current, I through a CONDUCTOR of resistance, R for a TIME, t is given by H = I2Rt. This EQUATION is called the Joule's equation of electrical heating." |
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| 65628. |
Why do things around our surrounding look different? |
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Answer» ironment can influence mood. For example, the results of several research STUDIES reveal that rooms with BRIGHT light, both NATURAL and artificial, can improve health outcomes such as depression, AGITATION, and sleep. |
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| 65629. |
What is chemistrykoi h |
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Answer» Chemistry is the scientific STUDY of the properties and behavior of matter. It is a natural science that covers the elements that make up matter to the compounds COMPOSED of atoms, MOLECULES and ionsl will edit ANSWERIF need |
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| 65630. |
2. A 100 m long train crosses a man travelling at 5 kmh-! in opposite direction, in 7.2 s then the velocity of train is (a) 40 ms (b) 25 ms -1 (c) 20 ms -1 (d) 45 ms -1 |
| Answer» C) 20 MS -1Explanation:HOPE it will HELP you | |
| 65631. |
The temperature distribution in a substance placed between two parallel plates kept at temperature T and This expressed as T=T1 [{1+x/l (T2/T1)^p -1}]^q The plates separation is equal to 1, the coefficient of thermal conductivity of the substance varies as ka V. Find the value of pg. |
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Answer» in which class you are because this QUESTION is not right so I am SORRY but I am checking this question then I will TELL you EXPLANATION: I will tell you the right answermake me brainlist PLEASE |
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| 65632. |
2. A stone is dropped from the top of a tower and allowed to travel freely under gravity. What is the initial velocity of the stone? |
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Answer» Given, a=g=10m/s 2 t=4su=0m/s {INITIAL VELOCITY at rest}So, height= ut+ 21 at 2 =(0)(u)+ 21 (10)(16)=80m∴ Height of the tower= 80m |
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| 65633. |
The torque induced on a dipole and its potential energy when placed in an electric field E is given by ? |
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| 65634. |
65. A clock shows 3 hr 5 min. When seen through a plane mirror, the time appears to be 1) 8 hr 55 min 2) 3 hr 5 min 3) 9 hr 35 min 4) 6 hr 10 min pls tell with explanation |
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Answer» 65. A clock shows 3 hr 5 min. When seen through a plane mirror, the time appears to be 1) 8 hr 55 min 2) 3 hr 5 min 3) 9 hr 35 min 4) 6 hr 10 minpls tell with explanationExplanation:65. A clock shows 3 hr 5 min. When seen through a plane mirror, the time appears to be 1) 8 hr 55 min 2) 3 hr 5 min 3) 9 hr 35 min 4) 6 hr 10 minpls tell with explanation65. A clock shows 3 hr 5 min. When seen through a plane mirror, the time appears to be 1) 8 hr 55 min 2) 3 hr 5 min 3) 9 hr 35 min 4) 6 hr 10 minpls tell with explanation |
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| 65635. |
Dynamics 4.11 ample 4.9: The distance between two stations is 2.5 km. A locomotive starting from one station, gives the train acceleration of 40 kmph in 0.5 min. until the speed reaches 48 kmph. This speed is maintained until brakes are applied and the train is brought to rest at the second station under a retardation of 0.9 m/s?. Find the ime taken to perform the journey. |
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Answer» otive starting from onestation, gives the TRAIN an acceleration (REACHING a speed of 40 km/h in 0.5 MINUTES) until the speedreaches. |
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| 65636. |
Define angular velocity of a particle moving on a circular path |
| Answer» CIRCULAR pathExplanation:PLEASE MARK me BRAINLIST ANSWER | |
| 65637. |
NC⁻¹ has the same unit as |
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Answer» newtons per coulombExplanation:The units of E are THUS N C−1 (“newtons per coulomb”). NEWTON Per Coulomb ( N/C) is a UNIT in the category of Electric field strength. It is also known as newtons/coulomb. Newton Per Coulomb ( N/C) has a DIMENSION of MLT-3I-1 where M is mass, L is LENGTH, T is time, and I is electric current. It essentially the same as the corresponding standard SI unit V/m. |
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| 65638. |
1. Give the three equations of motion for a particle moving in one dimension.. |
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| 65639. |
Area under the velocity time garph gives. |
| Answer» AREA under velocity-time GRAPH gives the DISPLACEMENT of a moving object. | |
| 65640. |
5 H.p. If the motor runs for 10 hours, then how many units will it make? |
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Answer» Explanation:5x746 /10x3600x10 |
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| 65641. |
300K तापमान तथा 760mm. दबाव पर किसी गैस का आयतन 300 cc है। NTP पर गैस का आयतन कितना होगा ? |
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Answer» Explanation:676.6 दिया, पी 1 =760mmHg, V 1 =600mL टी 1 =273+25=298K पी 2 =? वी 2 =640mL और टी 2 =२७३+१०=२८३के संयुक्त गैस कानून समीकरण के अनुसार, टी 1 पी 1 वी 1 = टी 2 पी 2 वी 2 या पी 2 = वी 2 टी 1 पी 1 वी 1 टी 2 = (640mL) (298K) (760mmHg)×(600mL)×(283K) = 676.6mmHgmm676.6 दिया, पी 1 =760mmHg, V 1 =600mL टी 1 =273+25=298K पी 2 =? वी 2 =640mL और टी 2 =२७३+१०=२८३के संयुक्त गैस कानून समीकरण के अनुसार, टी 1 पी 1 वी 1 = टी 2 पी 2 वी 2 या पी 2 = वी 2 टी 1 पी 1 वी 1 टी 2 = (640mL) (298K) (760mmHg)×(600mL)×(283K) = 676.6mmHgmm |
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| 65642. |
If the peak value of sine wave is 1000v.whats is the effective value? |
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Answer» okkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk |
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| 65643. |
The force between particles of matter is called as a)cohesive forceb)adhesive forcec)kinetic energyd)thermal energy |
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Answer» a)COHESIVE forceExplanation:HOPE it HELPS YOUPLEASE MARK me as brainlist |
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| 65644. |
The logic equation of OR gate is Y= A+B Y=A.B Y= ___ A+B Y= ___ A.B |
| Answer» TION:see your ANSWER in imagehope its HELP for meli BABU | |
| 65645. |
What are the two forces acting on a body situted in a Liquid |
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Answer» when an object is immersed in a LIQUID WEIGHT of the object and buoyant force are THR two forces ACTING on it.Explanation:hope it HELPS you |
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| 65646. |
5 H.p. की मोटर 10 घंटे चलती है तो कितने यूनिट बनाएगी |
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| 65647. |
A force F= 10 N accelerates a box over a displacement 2 m. The floor is rough and exerts a friction force 1 = 2 N. Determine the network done on the box. |
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Answer» eExplanation:GivenF=10NS=2m FRICTION Force=2NWork DONE F×S 10×2=20Joule NET WORK done after friction20-1=19 JOULE |
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| 65649. |
Ignoring air resistance, which of the following is true regarding the motion of a pendulum? * At the bottom of the oscillation PE is at a minimum and KE is at a minimum At the bottom of the oscillation PE is at a maximum and KE is at a minimum At the bottom of the oscillation PE is at a maximum and KE is at a maximum At the bottom of the oscillation PE is at a minimum and KE is at a maximum.Choose the correct option .If you don't know dont give rubbish answers |
| Answer» PROTOPLASM 1. Purkinje Vacuoles 2. Tonoplast Leucoplast 3. Brain of the cell Nucleus 4. Chromosome 23 pairs 5. COLOURLESS PLASTIDS | |
| 65650. |
Typical parade commands consist of how many major parts- * 1 point(b) 2(c) 3(a) 4(d) 5 |
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