Central Board Of Secondary Education: CBSE has reduced the physics, chemistry and math syllabus of class 11th and 12th board exam session 2020 – 21.
Read moreMagnetic field lines around a straight current carrying conductor
In the above figure, there is a straight current carrying conductor crossed through a paper sheets. The paper sheet has a iron filing around the
Read morewhy is sound wave called a longitudinal wave not transverse wave?
why is sound wave called a longitudinal wave not transverse wave? Transverse Wave:- Those wave whose particles vibrates in the perpendicular in the direction of
Read moreSimilarities and dissimilarities between Coulomb’s force and gravitational force
Here we discussed the 5 points on the similarities and dissimilarities between Coulomb’s force (or electrostatic force) and gravitational force. But before we proceed to
Read moreWhat are the similarities and differences between speed and velocity?
Speed, velocity and acceleration these three words are well introduced with us in class 9. All the three words speed, velocity and acceleration has some
Read moreWhat do we call the region of a sound wave where the molecules are spread out?
What do we call the region of a sound wave where the molecules are spread out? As we know that sound wave travels through a
Read moreIs sound a wave or a particle?
Is sound a wave or a particle? Sound is that sensation of a object or body that makes senses of hearing. In other words sound
Read moreIs Newton laws are dependent or independent?
Is Newton laws are dependent or independent? Newton gave three laws so called Newton’s first law, Newton’s second law, and Newton’s third law. According to
Read moreGive reason why ultrasonic sound waves are sent from ships towards the seabed
Give reason why ultrasonic sound waves are sent from ships towards the seabed. Ultrasonic sound are those sound wave which cannot hear by human ear.
Read moreWhat are the Different types of uncontrolled motion
Uncontrolled motion: Those motion which cannot be controlled or which cannot be stopped are called controlled motion. There are many types of uncontrolled motion. Some
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