Problems in Elementary PhysicsH. Holt, 1896 - 194 σελίδες |
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Σελίδα 123
... focus . Find position of the image . Is the image real or virtual ? 11. In the case of a concave mirror of focal length = 8 cm . , find the conjugate focus for each of the following points on the principal axis : Distances from surface ...
... focus . Find position of the image . Is the image real or virtual ? 11. In the case of a concave mirror of focal length = 8 cm . , find the conjugate focus for each of the following points on the principal axis : Distances from surface ...
Σελίδα 124
... focus is real or virtual . 7. Draw a diagram to show the effect of a convex mirror on a diverging pencil . 8. The ... focus . ( b ) At principal focus . ( c ) Between principal focus and center of curvature . ( d ) At the center of ...
... focus is real or virtual . 7. Draw a diagram to show the effect of a convex mirror on a diverging pencil . 8. The ... focus . ( b ) At principal focus . ( c ) Between principal focus and center of curvature . ( d ) At the center of ...
Σελίδα 131
... focus ; focal length ; conjugate foci ; spherical aberration ; real image ; virtual image . The following method may be used for the geometrical con- struction of the path of a ray through a lens of a material whose index of refraction ...
... focus ; focal length ; conjugate foci ; spherical aberration ; real image ; virtual image . The following method may be used for the geometrical con- struction of the path of a ray through a lens of a material whose index of refraction ...
Σελίδα 133
... focus ( virtual or real ) . 17. Draw a diagram to show a pair of conjugate foci on a secondary axis . 18. What is the effect upon prin- cipal focal length of making the lens of a more refractive material ? Illustrate your answer by a ...
... focus ( virtual or real ) . 17. Draw a diagram to show a pair of conjugate foci on a secondary axis . 18. What is the effect upon prin- cipal focal length of making the lens of a more refractive material ? Illustrate your answer by a ...
Σελίδα 135
... focus for a point 30 cm . from the lens . 5. The focal length of a lens is 25 cm . Find the conju- gate focus for a point 20 cm . from the lens , and interpret the meaning of the sign of the answer . 6. Find the conjugate focus for the ...
... focus for a point 30 cm . from the lens . 5. The focal length of a lens is 25 cm . Find the conju- gate focus for a point 20 cm . from the lens , and interpret the meaning of the sign of the answer . 6. Find the conjugate focus for the ...
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amperes angle of incidence barometer block body Boyle's Law brass C₁ candle-power cell centimeter circuit Clark cell coefficient of friction coil concave mirror conjugate foci copper wire cubic current strength deflection density diagram to show diameter direction distance Draw a diagram dynes electric energy equal ergs Express the ratio Find focal length force formula given grams heat horizontal inches index of refraction internal resistance inversely iron lamp latent heat lens liquid magnetic pole mass measure mercury meter Ohm's Law ohms parallel pendulum plane poundal principal focus Prob problems produce Prof proportion represent resultant solid specific gravity square surface tangent galvanometer temperature thick tion total pressure tube units V₁ varies directly velocity of sound vessel vibration-number vibrations per second volts volume watts weight wheel width
Δημοφιλή αποσπάσματα
Σελίδα 1 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 2 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg 10 dekagrams =1 hektogram Hg 10 hektograms =1 kilogram Kg...
Σελίδα 161 - Remembering that the joint resistance of two (or more) circuits in parallel is the reciprocal of the sum of the reciprocals of the resistances of the several branches, we have: Fig.
Σελίδα 156 - ... and the projection of one on the other — is retrograde, or in the same direction as the motion of the hands of a watch.
Σελίδα 124 - A' MB' are similar, and A'B'^B'M AB BM' So in this case, as before, the size of the image is to the size of the object, as the distance of the image from the mirror is to the distance of the object from the mirror.