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NDA Science Sure Shot 300 MCQs Part 1 | Target NDA 2 2024 | Learn With Sumit

Learn with Sumit・90 minutes read

A 152-page PDF with 150 questions for an exam preparation session will be shared on Telegram and other channels, aiming to help participants clear the exam and receive recommendations for SSB, with a follow-up session planned for the next day. Participants are urged to confirm their attendance quickly to ensure all 200 questions are covered.

Insights

The session planned with 200 participants will cover 300 questions focusing on concept revision, emphasizing the importance of understanding formulas like the power formula and equations of motion.
Participants are urged to confirm attendance promptly to ensure all 200 questions are addressed, with active engagement encouraged for effective concept application and comprehension.
Various topics from physics to biology, including concepts like kinetic energy, atomic mass standards, and diseases caused by bacteria and viruses, are discussed, providing a comprehensive review for exam preparation and knowledge enhancement.

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How many questions will be covered each day?
150-160 questions will be covered each day during the session.

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Summary

00:00

Physics Revision Session: 200 Questions, Active Participation

A session is planned with 200 confirmed participants, focusing on important questions for revision.
The session will be split into two parts, with around 150-160 questions to be covered each day.
Participants are urged to confirm their attendance quickly to ensure all 200 questions are covered.
The session will include 300 questions on various topics, emphasizing concept revision.
The importance of understanding and applying formulas, like the power formula, is highlighted.
A question on stopping distance calculation is presented, emphasizing the use of equations of motion.
The conservation of momentum in collisions is discussed, emphasizing the unit of momentum.
The relationship between velocity and displacement with constant acceleration is explained, focusing on graph interpretation.
A question on energy conservation in a falling object is presented, highlighting the conversion of potential to kinetic energy.
Participants are encouraged to engage actively in the session, focusing on understanding and applying concepts effectively.

20:46

Meeting Bus: Car Acceleration and Kinetic Energy

The car accelerates from rest while the bus moves at a constant speed of 12 in parallel lanes.
To determine how long the car takes to meet the bus, the distance between them must be equalized.
Using the concept of displacement, the car's initial velocity of zero is considered, leading to the calculation of time.
The acceleration is found to be 1.2, resulting in a time of 20 seconds for the car to meet the bus.
Kinetic energy is discussed, highlighting that a lighter body will have greater kinetic energy if it stays longer.
Kirchhoff's law is mentioned in relation to heat absorption by dark bodies compared to light bodies.
The temperature scales of Celsius, Kelvin, and Fahrenheit are compared in terms of their division gaps.
A comparison is made between two thermometers, A and B, based on their division increments.
The melting point of glass is discussed, emphasizing its unique properties.
The standard for atomic mass is explained, with carbon's c12 isotope currently serving as the standard.

39:37

"Living organisms, seeds, diseases, fluids, density"

Living organisms are mostly composed of living tissues, while dead tissues are non-living.
Seeds are formed from ripe fruits, originating from ovules that transform into seeds.
The covering of the ovary becomes the fruit, and if other parts are present, it's a false fruit.
Diseases like chickenpox, influenza, and polio are caused by viruses, while TB is caused by bacteria.
Flow velocity in incompressible fluids can be measured using devices like the Venturi meter based on Bernoulli's theorem.
Identifying diseases caused by bacteria or viruses is crucial, like TB caused by bacteria and chickenpox by viruses.
Specific gravity calculations reveal the relative density of silver to iron, with silver being approximately 1.4 times denser.
Understanding the Arshan region and specific gravity involves recognizing relative densities and SI units.
Calculating average velocity requires considering the distance traveled and the time taken.
Exploring the concept of Mach numbers and relative velocities helps determine the speed of sound and body velocity.

01:04:22

"Elements, solutions, and viruses in science"

Air, milk, and mercury are all mixtures, while an element is not a mixture.
The number of neutrons in an element can be calculated by subtracting the atomic number from the neutron mass number.
Colloid solutions like milk have different components that can be separated, even though they belong to the same category.
Turmeric contains curcumin, a natural dye.
Chloroplasts with chlorophyll inside are essential for photosynthesis.
Arthropoda is the largest phylum in the Animal Kingdom, including insects.
Hepatitis, rabies, and influenza are caused by viruses.
Protein digestion begins in the mouth with enzymes like pepsin and trypsin.
The Earth's rotation affects the temperature of the sun, making it less hot in the evening.
Ultrasonic waves have a frequency higher than 20 kilohertz and are used for navigation in devices like sonar.

01:30:58

Chemical Analysis and Energy Transfer in Science

Analyze the binary compound of X with an atomic mass of 50 grams, assuming 100 grams of the substance with X at 50 grams each of X and Y.
Determine the amount of X needed for one gram, requiring five molecules of X and 20 of Y.
Calculate the ratio of X to Y, resulting in the option x2y.
Understand the correct increasing order of electronegativity for elements in their most common oxidation states: Fluorine, Oxygen, Nitrogen, Carbon.
Explain the formation of Carbon monoxide and Carbon dioxide based on the Law of Multiple Proportion.
Identify the valence electrons in ns2 np3 configuration, exemplified by Nitrogen's np3 case.
Discuss the inability to chat in a channel, ensuring privacy and security for members.
Recognize the enzyme in human saliva that breaks down starch into maltose.
Understand the role of Insulin in controlling blood sugar levels in the pancreas.
Explore the energy transfer sequence from potential to kinetic to heat energy in an apple falling scenario.

01:54:49

"Mixing Substances, Density Equations, Energy Conservation"

When mixing two substances with volumes v and v, the mass in the resulting volume is calculated as patvi and total.
The density is determined by the volumes v and 2v, leading to the equation p1p = p2(p1 + p2).
The mass of both substances is equal, resulting in the equation p1v1 + p2v2 = 2m.
The volume in terms of density is found by equating p1v1 to m, and similarly for v2.
Adding the volumes of both substances gives the formula p1 + 1 = p2, resulting in 2p1p2/(p1 + p2) = 3.
Calculations lead to the values of p1 and p2 as 8 and 4, respectively, resulting in a ratio of 6:12.
Kirchhoff's second law, based on conservation of energy, involves the heating of water with resistances connected to a domestic supply.
Loudness is proportional to amplitude, while pitch of a sound wave depends on frequency.
Gravitational force ratios are determined by the masses of bodies in a system and their distances apart.
The average velocity of an object returning to its starting point after a journey is zero.

02:15:12

Key Science Concepts in Brief

Correct size is crucial for creating an inverted image in a convex mirror.
The refractive index of two media, n1 and n2, affects the speed of light in those media.
Ultraviolet rays are used to check fake notes due to their action on the notes.
The second law of thermodynamics states that heat cannot flow from a colder body to a hotter one.
Xylem is the tissue responsible for conducting water in plants.
Vitamin D is produced in the body in the presence of sunlight, aiding in brain health.
The thinnest bone in the human body is the stapes.
Vitamin A is essential for preventing night blindness and is found in foods like tomatoes.
The Golgi apparatus is responsible for the transportation of substances within the cell.
Lymphocytes are key components of the body's immune defense system.

02:44:23

Exam Prep PDF with 150 Questions on Telegram

A 152-page PDF with 150 questions will be shared on Telegram and other channels for an upcoming exam preparation session scheduled for 6:30 pm, aiming to help participants clear the exam and receive recommendations for SSB, with a follow-up session planned for the next day.

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