This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An 80 Kg Man Is Walking At a Rate of 4m/s.Calculate the kinetic energy of the man |
| Answer» 160 JOULEFORMULA : KINETIC ENERGY = ½mv²Explanation:kinetic energy = ½×80kg×4m/sANSWER =160 JOULE | |
| 2. |
SCIENCE AND TECHNOLOGY - ACTIVITY II 1) The atomic mass and atomic number of an atom is given.2713A = 27 z = 13a) Find number of neutrons in its nucleons?b) Write its electronic configuration.c) Discuss its valency.2) a) Define Valency.b) Valency of Chlorine is 1 though it has 7 valence electrons.3) a) What is atomic radius?b) Is the atomic radius of Hydrogen or Helium the smallest.HeState the name of the lightest element and element with smallest radius.c) H4) Calculate molecular mass of Calcium hydroxide.[Atomic mass: Ca - 40,0 - 16, H - 1]5) a) State the law of conservation of matter.b) Name the scientist who put forth this law.6) How many molecules of water are there in 36 gms of water? class 9 pls answer |
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Answer» 5.a.The LAW of Conservation of MassMatter can change FORM through physical and chemical CHANGES, but through any of these changes, matter is conserved. The same amount of matter exists before and after the change—none is CREATED or destroyed. This concept is called the Law of Conservation of MASS |
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| 3. |
What do you mean by term action and reaction |
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Answer» Action force is force acting in one direction. Reaction force is force acting in the OPPOSITE direction. Learn more about NEWTON's Third LAW as it explains action and reaction forces through SEVERAL examples, and test your knowledge with quiz questions.Explanation: |
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| 4. |
For which one of the following processes, a wax pattern is required- centrifugal castinginvestment castingshell mouldinggravity die castingA fusible alloy used in brazing is known asfluxslagspelterbrazerSolder has the following composition lead and tintin and copperlead and copperlead and ironThermit welding is a mixture of When oxygen and acetylene gas are mixed in equal proportions, what type of flame is produced oxidising flamecarburizingneutral flamenoneWhich type of flame is produced by burning excessive acetylene neutral flamecarburizingoxidisingreducingIn the metal joining process joinedone metal to other metalone metal onlyboth of the abovenone of the aboveWhich process has a chemical reaction arc weldingresistance weldinggas weldingbeam weldingThe pattern cannot be reused in centrifugal castinginvestment castingshell castinggravity die castingSwell is the casting defect due to less rammingexcess rammingdry sandinadequate feedingA defect which can be caused due to the low strength of mold isblow holessand washpin holes |
| Answer» VIDEO HAI mausi KA DIKHA do | |
| 5. |
IF YOU WERE GIVEN A CHANCE TO MAKE A LAW ON ENVIRONMENTAL PTOTECTION, WHAT WOULD IT BE? WHAT WILL BE THE MAIN FEATURE? |
| Answer» TION:SEPARATING of WATER WASTE and DRY waste as it can be biodegraded... | |
| 6. |
Mcq iratofes of an element have_____(a) the same physical properties(b) different chemical properties(c) different number of neutrous (d) different. atomic number |
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Answer» the same PHYSICAL PROPERTIES |
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| 7. |
Who teaches you (a) farmer(b) teacher (c) doctor |
| Answer» TEACHER............... | |
| 8. |
दिल विल बी चेंज इन द स्पीड और इन द डायरेक्शन ऑफ अ मोशन आफ ए बॉडी वेनिस एक्ट अपऑन बाय |
| Answer» PLEASE SEND it in ENGLISH | |
| 9. |
(2) What are the different types of non-contact forces? Give one example of each type,Ans. |
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Answer» ontact FORCE is a force applied on an object by another body without being in DIRECT CONTACT with the object. Examples:GRAVITATIONAL forceElectromagnetic forceStrong Nuclear forceWeak Nuclear forceHope this helps you : ) |
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| 10. |
From where do prawn and rat |
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Answer» Gills help the prawns to take in oxygen through the 'process of DIFFUSION'. RATS LIKE other LAND animals have lungs as special respiratory organs that help them to take in oxygen and give out carbon dioxide.Explanation:Please mark me as brainlist |
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| 11. |
By the reaction of 43603 potha 24203, som chondents wet in rainy season due to its datas nature,M Matching the Columns Type OuestionsMatch the words/statements in column with that in column '':ColumnColumn B1. A white coloured salt used as larative,(a) Basic medium2. The base users in antacid tablets(5) Salt of strong base with an acid (CHCOONaChina rose indicator changes its colourfromm MSOH)(Magnesium hydroxide)(0) Sodium bicarbonate (NaHCO3).(e) CuSO4.5H20 (Hydrated copper sulphate).6. Ahydrated salt loses water molecule, the property is5. Ablue coloured salt on heating form a whitecoloured salt by losing all water molecules isBaking soda7. Salt used by washermanThe aqueous solution of salt which gives a pinkcolour with phendionthalein9 Saltssed in greparation of blue black inkGrande (2:09)(1) Narcos 10H2O (Washing soda),( Green vitriol (FeSO4 7H20).(h) Oxide formed by non-metals6) Efflorescence() Epsom salt (MgSO4.7H20). |
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Answer» is this the QUESTION what is thisj9snsiba9as |
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| 12. |
Classify the changes involved in the process of physical or chemical changes for ex : cutting of wood -- physical changes) 1) Digestion of food -- 2) folding of paper --3) explosion of fireworks --4) melting of wax -- |
| Answer» 1) DIGESTION of FOOD - Chemical Change2) FOLDING of Paper - Physical Change3) Explosion of FIREWORKS - Chemical Change4) Melting of wax - Physical Change | |
| 13. |
Corn cells have 20 chromosomes. If it is dividing mitotically, how many chromosomes will be present at prophase, metaphase and anaphase? |
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Answer» e are 20 centromeres seen in anaphase, then there are 20 CHROMOSOMES in the DIVIDING CELL. Thus each pole of the dividing cell will receive 10 chromatids: each chromatid will now BECOME a chromosome for daughter cell. |
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| 14. |
:) Take a glass of water. Dissolve two tea spoon fills of sugar in it. A solution isformed. Can solution again be changedinto water?a. Yesb. Noc. Sometimesd. None |
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Answer» hhtgbjyggbjjhggggggg |
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| 15. |
What is a full form of NASA |
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Answer» NASA stands for National AERONAUTICS and SPACE Administration.Head quarters: Washington DC, USAFounder: DWIGHT D. Eisenhower.Explanation:HOPE it HELPS you.... |
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| 16. |
How would you change the rate of solubility of solid in liquid and gas in liquid? |
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Answer» Henry's law STATES that, at a given temperature, the solubility of a gas in a liquid is proportional to the partial pressure of the gas above the liquid. Increasing the surface area INCREASES the RATE of solubility of a solid because a LARGER number of molecules have contact with the solvent.Explanation: |
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| 17. |
Can anyone say about momentum |
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Answer» The ABILITY to keep increasing or DEVELOPING , the FORCE that MAKES SOMETHING move faster and faster ..... |
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| 18. |
Suggest two methods to test the pH of soil. |
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Answer» The two primary ways to TEST soil PH from FIELD SAMPLES are slurry testing and direct soil testing. It is important that the soil samples and tests take place in the same SPOTS and the same way every time.Have a good day ahead Stay safe and blessed ❤ |
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| 19. |
Calculate the momentum of object whose mass is 5kg and move with velocity 3.5 m/s |
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| 20. |
Draw the flow chaurt of Nitrogen cycle |
| Answer» REFER to ATTACHMENT..... | |
| 21. |
A) Keerthi placed objects X and Y in water,Object YObject XWater |
| Answer» INKS......HEAVY MATERIAL | |
| 22. |
2) Grounded glass is amaterial |
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Answer» Ground GLASS is glass whose surface has been ground to PRODUCE a flat but ROUGH (matte) finish, in which the glass is in small sharp fragments. Ground glass surfaces have many applications, ranging from ornamentation on windows and table GLASSWARE to scientific uses in OPTICS and laboratory glassware.Explanation: |
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| 23. |
। दीर्घ उत्तरीय प्रश्न 1. प्रकाश के नियमित तथा अनियमित परावर्तन के बीच अंतर बताइए। निम्न स्थितियों में परावर्तन का प्रकार बताइए-(i) समतल दर्पण से(ii) कार्ड बोर्ड से(iii) सिनेमा स्क्रीन से।दागतासेमापयाडाप। |
| Answer» 1 . single WAVE2. different angle reflect3. ONE way reflact | |
| 25. |
Find the odd one out 1 Hurricane2 Typhoon3 Cyclone4 None of these please guys answer fast |
| Answer» NONE of these is the ANSWER | |
| 26. |
Take a glass of water. Dissolve two tea spoon fills of sugar in it. A solution isformed. Can solution again be changedinto watera. Yesb. Noc. Sometimesd. None |
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Answer» ...is answerBTS AND EXO |
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| 27. |
Carrot and turnip are the_of the plants |
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Answer» rootExplanation:HOPE it HELPS YOUPLEASE FOLLOW me and I will follow you |
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| 28. |
How to draw a diagram of silk moth |
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Answer» is HELPS you.............. |
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| 29. |
Rita is adding 3+(-8)+1 she rewrites the expression as 3+(-1)+8 what is ritas error |
| Answer» RITA CHANGED the VALUE of WHOLE EQUATION | |
| 30. |
More force is applied on large area true or false |
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Answer» do U MEAN PRESURE if YES thentrue EXPLANATION: |
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| 31. |
Element ironNo menclature.1.ironFe²+Ferric2.MercuryHg+Hg2+3.coppercu+cu² |
| Answer» 2 MERCURY HG COPPER CU2 | |
| 32. |
সূর্যের চারদিকে পৃথিবীর আবর্তনের ফলে কার্য হয় কিনা ব্যাখ্যা করো |
| Answer» | |
| 33. |
Isotopes differ from each other on |
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Answer» s are DIFFERENT FORMS of the same element that are different from each other according to the number of NEUTRONS they have in their nuclei. |
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| 34. |
A potter working on his wheel shaped a lump of clay into a pot. He thenbaked the pot in an oven. Baking ofpot in an oven is what kinda. Reversibleb. IrreversibleC. none of thesed. both a and b |
| Answer» BAKING of POT in an OVEN is an IRREVERSIBLE CHANGE. | |
| 35. |
संवेग अक्षयेतेचा सिद्धांतसुत्रा सह स्पष्ट करा |
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Answer» tttttttttttt tttttttttttt tttttttttttt tttttttttttt tttttttttttt tttttttttttt tttttttttttt tttttttttttt tttttttttttt tttttttttttt |
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| 36. |
Secho) - H b) 5c) 3[osa0 Seled & write the correct answerTosAccuracy of measurement is determined bya absolute error b) percentage emosc) human error d) personal errorM'L'TI is the dimensione fora forceb) energy e) pressure. d) momentum0.00849 contains significant figuresd) 2i Give four examples of desired quantities11) What is meant by unit of physical quantity?1) What is difference between mistake & errorsection BAttempt biny two[043) What is order of magnitude ? Explain withtwo examples4) What is an error? classifyClassity error intodifferent categories5) Find the number of significant figures inthe follocking numbersb) 0,004567 ) 35.320 d) 4.56x18c) Find the dimensions of power and force.sectioncAttempt anytwoTo6]2) Explain the use of dimensional analysisto find the conversion factor between unitsof browse physical quantity into differentsystems of units.8) Check the correctness of formulav=u2+295 by wing dimensional analysisa 25.42 |
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Answer» 231wssdsjsushehejehhejejdejejebehdkdkidsndnkdkdndjdjdjekemdsbjskssbskebwksihsjebdksnsmsbskshdksveksbshdksbsmkdhemsbss |
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| 37. |
The group of classification are formed on basis of which of the threa characteristics |
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Answer» The two-KINGDOM classification was proposed by Carolus Linnaeus. He CLASSIFIED the living organisms on the basis of nutrition and MOBILITY. The living organisms were classified into Kingdom Plantae and Kingdom Animalia.follow my best friendabidrizvi 5110just CLICK on my FOLLOWING option and follow her |
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| 38. |
Or you to your journey. Choose from the box below.Agility Coordination Cardio VascularMuscular StrengthPowerMuscular EnduranceReaction TimeWELCOME TO THE LAND OF THEPHYSICALLY FIT PEOPLESPEEDFLEXIBILITYBALANCEBODY COMPOSITIONTREK TO PHYSICAL FITNESS |
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Answer» Please GIVE THANKS and MARK as BRAINLIEAST ANSWER |
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| 39. |
सोडियम बाईकार्बोनेट का सामान्य नाम है- 1) बेकिंग सोडा 2) सोडा एस 3) सोडा लाइम फ 4) बेंकिंग पाउडर |
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Answer» the same NAME of SODIUM BICARBONATE is BAKING SODA |
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| 40. |
If a plant cell undergoes mitosis, but no cell plate if formed, what would be the result? |
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Answer» Explanation:The result will be a new cell with two nuclei. By the end of mitosis the cell membrane separates the two new animal CELLS and cell PLATE separates the plant cells, and this is the LAST STAGE. If the cell plate didn't FORM, while the cell membrane is formed, you will have two cells surrounded with only one cell wall. Or one cell with two nuclei and double number of organelles |
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| 41. |
What sphere caused the event |
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Answer» These spheres are closely connected. For EXAMPLE, many birds (BIOSPHERE) fly through the air (atmosphere), while water (hydrosphere) often flows through the soil (lithosphere). In fact, the spheres are so closely connected that a change in one sphere often results in a change in one or more of the other spheres.this is your ANSWER PLEASE mark me as brainlist and follow meJai hind |
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| 42. |
Diagram shows the basic plan on and blood vessels together make up the circulatory system.Alamovervein from lungssolteroneartery to lungsartery to rest of bodyvein from rest of bodyheartdigestiveorgansThe human circulatory system.QuestionsA+IA+IA+ILook at the diagram to answer these questions.1 In which direction do arteries carry blood – away from the heart, or towardsthe heart?2 In which direction do veins carry blood – away from the heart, or towards it?3 The circulatory system is like a one-way traffic system. Describe two differentroutes by which blood in the left side of the heart can get to the right side ofthe heart. (Remember – the person in the diagram is facing you.)323 The circulatory system |
| Answer» BHAG yaha,SE NAHI toh YAHI PATAK chodenge | |
| 43. |
Whice is of following dost not chang when a change when change when reaction take plac |
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Answer» Answer. Mass does not CHANGE when a CHEMICAL reaction TAKE place. Explanation: ... Also, the NUMBER of atoms in a reaction remains the same. |
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| 44. |
-> Three examples Leon examples from everydaylife .andtheir approxi—matepowers of 10 |
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Answer» okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy okayyy |
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| 45. |
A goldsmith heats a piece of gold till it melts and then beats into a desiredshape. What kind of change takes placein piece of gold on heating?a. Reversibleb. Irreversible |
| Answer» IRREVERSIBLE EXPLANATION:PLS msrk me as BRAINLIST | |
| 46. |
The boiling point of water celises and Kelvin respectively |
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Answer» vin degree is the same size as the Celsiusdegree; hence the two reference TEMPERATURES for CELSIUS, the freezing point of WATER (0°C), and the BOILING point of water (100°C), CORRESPOND to 273.15°K and 373.15°K, respectively. |
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| 47. |
Q.1 a) Name a fluid connective tissue which transports nutrients to all cells of the body. b)Name two major components of human blood.c)Name the nutrients transported by bloodd)Give one function of each : RBC, WBC and Blood Platelets. |
| Answer» B ANSWER HAI | |
| 48. |
ज्युल आणि अग्र यातील संबंध स्पष्ट करा |
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Answer» In chemistry, neutralization or neutralisation (see SPELLING DIFFERENCES) is a chemical reaction in which acid and a base react quantitatively with each other. In a reaction in WATER, neutralization results in there being no excess of HYDROGEN or hydroxide ions present in the solution. |
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| 49. |
5. On the basis of their properties all the and metalloidsi) Compoundsii) Mixturesi) Elementsiv) Colloids |
| Answer» PLEASE MARK as branliest i REALLY NEED it I will follow you | |
| 50. |
Dislinguish between compounds and loinc compounds |
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Answer» Difference between element and compoundThe ELEMENTS react CHEMICALLY and form chemical BONDS between the atoms of the elements. In compounds the constituent elements are ALWAYS PRESENT in fixed proportions and therefore a compound has a definite chemical composition. |
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