Sample question paper for JEE Main:

SECTION A: PHYSICS 1. A bullet of mass 10g and velocity 500m/s strikes a wooden block of mass 1kg and is embedded in it. What is the final velocity of the wooden block? 2. A convex lens has a focal length of 20cm. If an object is placed 40cm in front of the lens, what is the image distance? A car moves along a circular track of radius 100m with a constant speed of 20m/s. What is the centripetal force acting on the car? A current of 5A flows through a wire of resistance 10Ω. What is the voltage across the wire? A ball is thrown from the top of a building with a velocity of 20m/s at an angle of 30 degrees to the horizontal. What is the maximum height reached by the ball? SECTION B: CHEMISTRY What is the formula for hydrochloric acid? What is the chemical formula for magnesium chloride? What is the pH of a solution with a hydrogen ion concentration of 1 x 10^-5 mol/L? What is the chemical formula for calcium oxide? What is the balanced chemical equation for the reaction of hydrochloric acid with sodium hydroxide? SECTION C: MATHEMATICS Find the value of x in the equation 2x + 3 = 7x - 4. Simplify the expression (2x + 3y)^2. Find the equation of the line passing through the points (1, 2) and (3, 4). Solve the quadratic equation x^2 + 5x + 6 = 0. Find the derivative of the function f(x) = x^3 - 2x^2 + 5x - 7. ANSWER KEY: SECTION A: PHYSICS 50m/s 60cm 200N 50V 30m SECTION B: CHEMISTRY HCl MgCl2 5 CaO HCl + NaOH → NaCl + H2O SECTION C: MATHEMATICS x = 1 4x^2 + 12xy + 9y^2 y = x + 1 x = -2 or x = -3 f'(x) = 3x^2 - 4x + 5

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Diksha all Module link✍✍✍

Just click and the Module open 1. Module 1 2. Module 2 3. Module 3 4. Module 4 5. Module 5 6. Module 6 7. Module 7 (https://diksha.gov.in/explore-course/course/do_31314912845280870412825) 8. Module 8 9. Module 9 10. Module 10 11. Module 11 12. Module 12 13. Module 13 14. Module 14 15. Module 15 16. Module 16 17. Module 17 18. Module 18

Promotion of Safe Use of Internet, Gadgets and Media

Promotion of Safe Use of Internet, Gadgets and Media •We should not believe everything shown in advertisements. •It is important to clarify information. False information affects our attitudes and behaviors. •We may end up buying products or investing in something unnecessarily because of the way they have been portrayed in media and be disappointed, or even harmed. A lot of time, effort and money may be wasted. •We may develop wrong notions that perpetuate myths and stereotypes around several issues, such as, gender roles, misuse of substances, trying dangerous stunts without training and supervision. •There is a difference between real and reel. Not all which might appear real or look real is the reality. As aware citizens, we need to clarify what we see on internet and media with trusted sources. ବିଜ୍ଞାପନରେ ଦେଖାଯାଇଥିବା ସବୁକିଛି ଆମେ ବିଶ୍ believe କରିବା ଉଚିତ୍ ନୁହେଁ | ସୂଚନା ସ୍ପଷ୍ଟ କରିବା ଜରୁରୀ ଅଟେ | ମିଥ୍ୟା ସୂଚନା ଆମର ମନୋଭାବ ଏବଂ ଆଚରଣକୁ ପ୍ରଭାବ...

Safety and Security Against Violence and Injuries

What is Violence? Violence is the use of physical and mental force so as to injure, abuse, damage, or destroy. Emotional Violence: In the first story the teacher uses her power over Usha to inflict verbal or emotional violence on her. Emotional violence is when a person intentionally subjects another person to behaviour that may result in psychological trauma and emotional hurt. For example, calling someone names (labeling), bullying, verbally abusing and using foul language, etc. Sexual Harassment: In the second story, a group of boys sexually harass the girl walking on the road, commonly known as eve-teasing. It is a form of sexual violence. Sexual violence is any sexual act or an attempt directed against a person’s sexuality, regardless of the relationship to the victim. Examples of sexual violence are unwanted comments of a sexual character, child sexual abuse with boys and girls, molestation and rape. Physical Violence: In the third story, ...

EDUCATION KI IDEAS

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