Physics
Hello Aspirant.
Since it's a frictionless surface, the total potential energy of the body will be converted to kinetic energy.
So, mgh=½mv^2
h=v^2/2g
Since the minimum velocity at the lowest point to complete the loop is √(5gr)
So, h= (5gD/2)/2g
Therefore the minimum height= 5/4D
Hope it helps.
Hello Student , this can be easily derived as shown below
Let m and v be the mass and velocity of alpha particle directed towards the centre of nucleus.
Kinetic Energy of alpha particle = K = 1/2 * mv²
Positive charge on the nucleus is Ze and charge of
Hello Rohit,
To choose physics as optional subject for CSE. It is wise to consider physics as an optional subject but only if your interest in the subject is immense.Optional paper consists of 500 marks and be given respect by the candidate..The respect here means you should only consider that
The criteria for admission in chemistry Hons and physics Hons is the aggregate percentage of PCM marks and to get admission in chemistry Hons and physics Hons, at least 88% marks are required ( for general category students). Your PCM percentage is much less than the expected cutoffs. So, unfortunately,
Hey,
you can definitely get a college in south campus for bsc physics or computer honours. The colleges you have chances of getting in are- dyal singh College, deendyal upadhyay college, pgdav, etc. just wait for the final cut offs. You will definitely get a good college.
BBrother,
Engineering Physics is more practical oriented. If you want to go for further studies like MS IN PHYSICS or PHD then you can opt for engineering physics as ayour course.
But if you are not interested in higher studies and want to get a decent job after your graduation
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