Places where friction occurs, Places where friction occurs Locate the p...

Places where friction occurs Locate the places on several mechanical devices where parts rub together. Roller skates, pulleys and the wheels of toys often required oil. Try to

Thin lens equation, In the thin lens equation first prove that Zz = f*f  (H...

In the thin lens equation first prove that Zz = f*f  (Hint use this diagram along with the characteristics of similar triangles). Then use this equation along with the act that Z^

Forces and nature,

Motion along straight line, the numerical ratio of displacement to the dist...

the numerical ratio of displacement to the distance covered is always ???????????????

Friction, friction is a necessary evil?

friction is a necessary evil?

Digestion sytem, what is the substance produced in the liver that acts in t...

what is the substance produced in the liver that acts in the small intestine during digestion?

Executing simple harmonic motion, The total energy of a particle, executing...

The total energy of a particle, executing simple harmonic motion is Ans) In simple harmonic motion when  a particle is displaced to a position from its mean position, then its kin

Describe the physical processes contributing , a. Which materials are condu...

a. Which materials are conducting to which other materials? Water conducting can Can conduct bubble wrap Can to cotton wrap b. Which layers are insulating?

Angle of minimum deviation, Angle of Minimum Deviation: The angle of de...

Angle of Minimum Deviation: The angle of deviation has least value when incident ray and emergent ray make equivalent angle with the normal. The value of angle of deviation is

Pfund series, Pfund series: The series which define the emission spect...

Pfund series: The series which define the emission spectrum of hydrogen while the electron is jumping to the fifth orbital. All lines are in the infrared portion of the spectr