{"id":195788,"date":"2022-06-17T16:50:33","date_gmt":"2022-06-17T11:20:33","guid":{"rendered":"https:\/\/www.aakash.ac.in\/blog\/?p=195788"},"modified":"2023-03-28T11:00:38","modified_gmt":"2023-03-28T05:30:38","slug":"jee-main-physics-chapter-wise-important-questions","status":"publish","type":"post","link":"https:\/\/www.aakash.ac.in\/blog\/jee-main-physics-chapter-wise-important-questions\/","title":{"rendered":"JEE Main Physics Chapter-wise Important Questions"},"content":{"rendered":"

\"jee<\/a>
\nJEE is a crucial national-level examination to get into engineering colleges. Many students aspire to complete their graduation or post-graduation from the top engineering institutes in India. <\/span>But only a few lucky candidates get through <\/span>JEE Main 2022 eligibility criteria<\/span>.\u00a0<\/span><\/p>\n

Also See:\u00a0JEE Main 2022 Exam Live Updates<\/a><\/p>\n

To get admission to NITs and IITs, students must get brilliant results in Chemistry, Physics, and Mathematics. JEE Main Physics is a challenging subject. Students need to ace their logical reasoning skills to crack the JEE Main Physics paper with a good AIR. This guide will help students get familiar with the <\/span>JEE Main 2022<\/span><\/a> Physics chapter-wise essential questions that they can solve to brace up their JEE Mains Physics<\/a> preparation.\u00a0<\/span><\/p>\n

Important Questions On Thermodynamics And Heat Transfer<\/h2>\n

1. Find the process wherein heat convection does not occur.<\/span><\/p>\n

Heating of the bulb’s glass because of the filament.<\/span><\/p>\n

2. Find the condition in which a natural gas acts as an ideal gas.<\/p>\n

At high temperatures and low pressure.<\/span><\/p>\n

Important Question On Wave On String<\/h3>\n

1. A 20-meter-long constant string is strung from strong support. At its lowest frequency, a brief wave pulse is introduced. It begins to move up the string. What is the time required to reach the support? (take g = 10 m s\u20132)<\/p>\n

The time required to reach the support is 2<\/span>2s<\/span>.<\/span><\/p>\n

Important Questions On Work Power Energy<\/h3>\n

1. What happens if a machine is greased with oil?<\/p>\n

The machine’s mechanical strength increases.<\/span><\/p>\n

2. A constant power supplying machine dragged a box along a horizontal line and was initially at rest. The box’s distance travelled in time \u2018t\u2019 is proportional to<\/span><\/p>\n

– <\/span>t<\/span>3\/2<\/span><\/p>\n

Important Question On Capacitor<\/h3>\n

1. Find a spherical conductor\u2019s capacitance (in F) with a radius of 1 m.<\/p>\n

A spherical conductor\u2019s capacitance (in F) with a radius of 1 m is 1.1 x <\/span>10<\/span>-10<\/span>.<\/span><\/p>\n

Important Questions On Rational Dynamics<\/h3>\n

1. Determine the frictional force of a body that rolls on an inclined surface without sliding.<\/span><\/p>\n

The frictional force of a body is directed upwards. <\/span><\/p>\n

2. What happens when a sphere\u2019s motion is moving on a horizontal surface, semi-sliding, and semi-rolling?<\/p>\n

The point of contact between the sphere and the plane is conserved.<\/span><\/p>\n

Important Question On Semiconductors<\/h3>\n

1. Where can the energy bandgap be found in the maximum state?<\/p>\n

The energy bandgap can be found maximum in insulators.<\/span><\/p>\n

Important Questions On Centre of Mass<\/h3>\n

1. Two molecular particles A and B at a rest position, come together through magnetic force. Find the centre of mass speed if A\u2019s speed is \u2018v\u2019, and B\u2019s speed is \u20182v\u2019.<\/span><\/p>\n

The centre of mass speed is zero. <\/span><\/p>\n

2. A circular plate is 56 cm. A circular portion of 42 cm diameter shifts from a plate\u2019s edge from one side. Find the remaining portion\u2019s centre of mass.<\/p>\n

The smaller circle is 9 cm towards the left of the larger circle.<\/span><\/p>\n

Important Question On Magnetism<\/h3>\n

1. Two magnetic fields are slanted at a 75\u00b0 angle and act on a magnetic dipole. One area has a 15 mT magnitude.\u00a0 The dipole achieves stable equilibrium at a 30\u00b0 angle to the field. The other field’s volume (in mT) is close to<\/span><\/p>\n

11<\/span><\/p>\n

Important Questions On Friction<\/h3>\n

1. A block lies on a slanted plane at 30\u00b0. The constant friction coefficient between the plane and the block is 0.8. Assuming that the block’s frictional force is 10 N, then find the block’s mass.<\/span><\/p>\n

The block\u2019s mass is 2. <\/span><\/p>\n

2. If a car moves on a road at a speed of 100 m\/s, find the distance at which the vehicle will stop.<\/p>\n

The car will stop at 1000 m.<\/span><\/p>\n

Important Question On Nuclear Physics<\/h3>\n

1. What is the power needed for the electron excitation in Li++ between the first and third Bohr orbit?<\/span><\/p>\n

108.8\u00a0 eV<\/span><\/p>\n

Important Questions On Kinematics<\/h3>\n

1. The vertical height of a particle is H. Assuming the ratio of the times to reach the height \u2018h\u2019\u00a0 is \u2153, then find the value of h.<\/span><\/p>\n

(\u00be) H<\/span><\/p>\n

2. A body is moving at a speed of \u2018v\u2019 in a circle. Find the magnitude of the changed velocity when the radius vector is at an angle of 60\u00b0.<\/p>\n

V<\/span><\/p>\n

Important Question On Simple Harmonic Motion<\/h3>\n

1. The frequency of a damped harmonic oscillator is five oscillations each second. The amplitude is reduced to half its original value for every ten oscillations. What time will it take to reduce to 1\/1000 of the initial amplitude?<\/p>\n

20 s<\/span><\/p>\n

Important Questions On Gravitation<\/h3>\n

1. Two moving particles attract and combine on a horizontal surface. What condition can be formed based on this situation?<\/span><\/p>\n

The total energy is conserved, and the system\u2019s work is negative. <\/span><\/p>\n

2. If the earth\u2019s radius shrinks by one per cent with the mass remaining constant, what will be the acceleration of the earth\u2019s surface?<\/p>\n

The acceleration of the earth\u2019s surface will increase.<\/span><\/p>\n

Important Question On Communication System<\/h3>\n

1. An antenna tower supports a 25 m long antenna. The antenna tower stands at a height of 75 m. What will be the wavelength of the signal transmitted by this antenna?<\/span><\/p>\n

100<\/span><\/p>\n

Watch our video on Short Tricks in Modern Physics |Physics | JEE\/ NEET|<\/strong><\/h4>\n