lower fundamental frequency

smaller velocity

the same fundamental frequency

greater velocity

higher fundamental frequency

Defibrillator is the standard items of emergency equipment

An artificial pacemaker can produce repetition rate of 60 to 70 per minute

Electrocautery is performed by a hand piece

ECG is a recording of electrical signals produced by the brain

EEG is most widely used of the bioelectric measurements

To measure of fluid pressure

Under water exercise for polimyelitis patients

To prevent the decubitus ulcers

To determine the high value of sugar in the urine

To measure the relative density

the dynamic frictional force when a car moving with constant speed.

the tension along the string by which a stone moving in a circle

the static frictional force when a car making a turn on a level road

the gravitational force when the earth revolves around the sun

the electric force when the electrons around nuclei

the effective depth is 0.15 m

the smallest detail visible is 0.75 mm

the effective depth is 1.5m

the smallest detail visible is 75 cm

its wavelength is 0.75mm

flow resistance

Diameter of the tube

centre of gravity

Acceleration

pressure gradient

by fixed position of coil

30 (outside): 1 (inside) for K⁺

30 (inside): 1 (outside) for K⁺

10 (outside): 1 (inside) for Na⁺

10 (inside): 1 (outside) for Na⁺

20 (outside): 1 (inside) for Cl^-

The red and orange focus nearer the lens

The refractive index of the lens is different for the color of light

Various colors in white light do not all focus at the same point

The lens surface is not perfectly smooth

Violet and blue focus farthest away from the lens

4.2 J kg-¹K^-1

1 cal g^-1 ℃-1

1 kcal g^-1 ℃^-1

4.2 kJ kg^-1 ℃-¹

4.2 kJ g^-1K^-1