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What type of quantity is occo cean currer t  SCalar nor vector. It 1s not a physical quantity. what is force force 1s the physical On as nhysical age... Read more

Temporary magnets are those which become very sirong magnets quickiy and loose it as soon as the magnetizing force is removed. Soft iron and alloys o... Read more

Wernier Calipers) What Is the objeet of your experiment? Determination of volume of the give solid cylinder and capacity of the given hollow cylind u... Read more

shaving mi.rorS in the reflecting telescope, microscope and headlamps of automobiles ake-up or reflectors in oroducing laser light: proo ht and spot... Read more

The angle of prism (111) 1he index of refraction of the material of the prism and (iv) Wavelength of the light. What is the angle of minimum deviatio... Read more

Why do magnetic axis .we take one-fourth of the time period of the bar as the time of fall? Because the bo the bob travels the vertical distance in t... Read more

dvnamtc role 1n the evolution of seience in the Middle Ages. However, when the Muslims deviated from the vista set by the Our'an and Shariah, the l... Read more

ÇA compound microscope must posses high power of gathering lightPe (i) large field of view (i) high resolving power, and correction for aberrations:... Read more

A microscope isS used to incregse the visual angle of the images of the objects O very small size. The magnifying power can be increased by using two... Read more

V-R Puting eq. (4) and (6) in (5), we get g/G xR 4/3 Tt R 3g 47t RG (7) Calculations: 3x 9.8 Average density of earth, p = 4x 3.14 x 6.37 x 10° x 6.6... Read more

Recent investigations have revealed the important contribution of the Mushm he Middle Ages to the development of scientists thought and the scientifi... Read more

Q1.3. Describe the contributions of Newton and Einstein in Physics. Newton and Einstein in Physics. ) Sir Issac Newton was an English physicist. He i... Read more

19. A , body hurry in a freely falling elevator, drops a ball. He will observe that the ball: (a) falls with an acceleration equal to 'g moves up w... Read more

Ahen So the estraining force is zero Conclusion: The apparent weight force gives the impression of weight lessness, A satellite is an 'artificial m... Read more

required to hold an object from the restraining force which gives the impression of welg WEIGHTLESSNESS IN AN ELEVATOR An elevator is a non-inertial... Read more

: distanCC( apat. gravitational strength. Gravity is the special case gravitation. If one body is the earth, then th attractiob between the earth an... Read more

A  is distanCC( apat. gravitational strength. Gravity is the special case gravitation. If one body is the earth, then th attractiob between the earth... Read more

Universal gravity  : For a rotating body of masS m, the apparent weignt, y lf rotation of the eårth ceases, the weight of the slightly. Not a doubt h... Read more

: edoubled, then "gubleled, theren 'g w uld also be doubled. In fact "G in the universal gravitation constant. So even if the value of g ch... Read more

Gravitation  Mass of moon First Year LAW OF GRAVITATION: Q.5: Elaborate the application of Newton's law of gravitation. Ans: Newton used his theory o... Read more

Ans: According to the law of gravitation: The force of attraction between two material bodies is directiy proportional to the product their masses (m... Read more