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KEAM 2023 Physics and Chemistry (Paper 1) Answer KeyKEAM 2023 Physics and Chemistry (Paper 1) Answer Key: The Office of the Commissioner for Entrance Examinations (CEE) has conducted the KEAM 2023 Paper 1 (Physics & Chemistry) Exam today, May 17, 2023. The Paper 1 exam was conducted in OMR Based format from 10:00 AM to 12:30 PM. The question paper for Physics and Chemistry included 120 questions each carrying 4 marks. The total marks weightage of the KEAM Paper 1 is 480 with a negative marking of 1 mark. Exam takers can find the detailed question paper analysis of KEAM Paper 1 2023 along with unofficial answer keys below to have an idea about the possible exam scores. Test takers who appeared for the examination can expect the KEAM 2023 result to be announced within 30 days after the exam.
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KEAM 2023 Physics and Chemistry (Paper 1) Answer Key PDF
KEAM 2023 Paper 1 unofficial answer key PDF is now available here for all 4 versions (A1, A2, A3, and A4). You can download the PDF of the answer keys by clicking on the link below.
| Set Code | PDF Link |
|---|---|
Version A1, A2, A3 and A4 | Click here to download (Available) |
KEAM 2023 Paper 1 Questions with Answer Key 2023
Students must note that we are not adding full questions as of now, and they can cross-check the question from the question paper
Question | Answer |
|---|---|
A projectile is thrown at speed V and at an angle… | 2 Square Root of 2 |
Consider a vector addition P + Q + R | Square root of 10 |
A car is moving with an initial speed of 5 m/s | 2.5 m/s |
Consider a particle executing a simple harmonic motion | 1/2 |
Two thin convex lenses L1 and L2 have focal lengths of 4 cm and 10 cm | 16 |
| What is de Broglie wavelength corresponding to a ball of mass 100g moving | 2 X 10 to the power of 34 m |
| A laser source emits light of wavelength 300 nm and has a power of 3.3 MW. The average number of photons emitted per second | 5 X 10 to the power of 15 |
| A thin convex lens with a refractive index of 1.5 has a facial length of 10 cm in the air | 1.4 |
| For the hydrogen spectrum, the wavelength in the Blamer series is given by | n1 = 2, n2 = 3 |
| Car ‘P’ is heading with a speed V and Car ‘Q’ is heading with a speed square root of 3. What is the velocity of Car ‘Q’ with respect to Car ‘P’ | 2V, 30 Degrees West of North |
| A particle at rest starts from the origin with a constant acceleration ‘a’ that makes an angle 60 degrees with the positive y-axis | 10 ms to the power of -2 |
| Suppose a force is given by the expression | ML to the power of -1 and T to the power of -2 |
| A horizontal force is excreted on a 20 kg box to slide it up with an angle of 30 degrees | 120 Square Root of 3 N |
| In Young’s double-slit experiment which of the following statements is NOT true | Distance between the fringes decreases when the separation between slits and the screen increases |
| N capacitors, each with 1 uF capacitance are connected in parallel to store a chance of 1 C | 10 to the power of -10 F |
| A train consists of an engine and 3 coaches, the first coach is closest to the engine, and the third coach is the farthest from the engine. | 2 Ma |
| A uniform thin rod of mass 3 kg has a length of 1 m. If a point mass of 1 kg is attached at a distance of 4 cm from its centre, the centre of mass shifts by a distance of | 10 cm |
| A wheel is rolling on a plain surface. At the point on the rim of the wheel at the same level as the centre has a speed of 4 m/s | 2 square root of 2 m/s |
| An ideal gas is kept in a closed container. If the temperature is doubled and the volume of the container is reduced to half, the gas pressure is | Increased by 4 times |
| An unpolarised light is an incident on a glass slab such that the reflected way is totally polarized. If the angle of refraction is 30 degrees, the refractive index of the glass is | 1.73 |
| Select the incorrect statement about friction | Static friction force is always equal to uN, where u is the coefficient of static friction and N is normal force |
| Car P is heading towards east with a speed of V and car Q is heading towards North with a speed under root 3. What is the velocity of car Q with respect to car P | 2V, 30 degree west of north |
| A thin convex lens of refractive index has a focal length of 10 cm in air. When the lens is immersed in a fluid, its focal length becomes 70 cm. The refractive index of the fuid is | 1.4 |
| In a zener-regulated power supply circuit as shown in the figure below… | 250 AMPs |
| An average frictional force of 80 N is required to stop an object at a distance of 25 m | 10 kg |
| A billiard ball B1, moving with a velocity V1, collides with another billiard ball B2 at rest. After the collision, ball B1 is deflected by 60 degree and the angle between the velocities of these two balls is 90 degree. The speed of ball B2, after the collision is | Under root 3 V/2 |
| An object at rest suddenly explodes into three parts of equal masses. Two of them move away at right angles to each other with equal speed of 10m/s. The speed of the third part just after the explosion will be | 10 under root of 2 m/s |
Also read| KEAM 2023 Question Paper
KEAM 2023 Physics & Chemistry Question Paper Analysis
Candidates can download the KEAM 2023 Paper 1 (Physics & Chemistry) Analysis based on the initial feedback and reviews shared by the examinees. Students through exam analysis For details have a look at the table provided below. As per students the overall Physics and Chemistry paper was of moderate level.
Aspect | Analysis |
|---|---|
Overall Difficulty Level of the Exam | Moderate |
Difficulty Level of Physics | Moderate to Difficult |
Difficulty Level of Chemistry | Easy |
Topics with More Weightage in Physics | To be Updated |
Topics with More Weightage in Chemistry |
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Expected No. of Very Good Attempts | To be Updated |
Expected No. of Average Good Attempts | To be Updated |
Is the Paper Lengthy & Time-Consuming? | Yes |
Also Read|
| KEAM 2023 Mathematics (Paper 2) Answer Key 2023 |
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| Expected Good Rank in KEAM 2023 for B.Tech Computer Science Admission |
| KEAM Answer Key 2023 |
| KEAM Result Date 2023 |
| KEAM 2023 Ranking System |
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