light formulas physics class 10

Found inside – Page 4-36Calculate speed of light in water of refractive index 4/3, if the speed of light in vacuum is 3 ×108 m/s. (a) 2.25 × 108 m/s (b) 3.35 × 108 m/s (c) 4.45 ... Found inside – Page 46Refraction of light through a glass block and a triangular prism– ... Sign convention and direct numerical problems using the lens formula are included. Found inside – Page 242When white light ray passes from denser medium to rarer medium , and the angle of ... 1 From u ( iii ) Find the lateral shift using the formula for it . Found inside – Page 231Paper–10. A big heartfelt Thank You! It's time for your valuable. dφ e2r2B2 1. ... Apply the formula, Enet = E1 – E 2 and I = Enet R 19. Found inside – Page 231Paper–10. A big heartfelt Thank You! It's time for your valuable. dφ e2r2B2 1. ... Apply the formula, Enet = E1 – E 2 and I = Enet R 19. Found inside – Page 9Transmission of light from a denser medium (glass/ water) to a rarer ... Sign convention and direct numerical problems using the lens formula are included. Found inside – Page ixTransmission of light from a denser medium (glass/ water) to a rarer ... Sign convention and direct numerical problems using the lens formula are included. Found inside – Page 231Paper–10. A big heartfelt Thank You! It's time for your valuable. dφ e2r2B2 1. ... Apply the formula, Enet = E1 – E 2 and I = Enet R 19. Found inside – Page 10Transmission of light from a denser medium (glass/ water) to a rarer medium ... Sign convention and direct numerical problems using the lens formula are ... Found inside – Page 21222λ From the formula, it is clear that resolving power increases as wavelength decreases 1⁄2 keeping ... Wavelength of yellow light = 680 nm = 6.8 × 10–7m. Found inside – Page 231Paper–10. A big heartfelt Thank You! It's time for your valuable. dφ e2r2B2 1. ... Apply the formula, Enet = E1 – E 2 and I = Enet R 19. Found inside – Page 30If the static electric charge on the oil drop is –1.282 × 10–18C, calculate the number of electrons present on it. [NCERT Text Book Question, Q. 39, ... Found inside – Page 24Write the dimensional formula for surface energy, moment of inertia, ... m ∴ 1⁄2 4.29 light year = 4.058×10 16 ∴ 3.08×10 16 = 1.318 parsec = 1.32 parsec. Found inside – Page 24Convert 4.29 light years into parsecs. Calculate the parallax of a star at the distance when viewed from two locations of earth six months apart in its ... Found inside – Page 24Write the dimensional formula for surface energy, moment of inertia, ... 1⁄2 4.29 light year = 4.058×10 16 = 3.08×10 16 = 1.318 parsec = 1.32 parsec. Found inside – Page xTransmission of light from a denser medium (glass/ water) to a rarer medium ... Sign convention and direct numerical problems using the lens formula are ... Found inside – Page 281Calculate the refractive index of diamond with respect to kerosene. An object 3.0 cm high is placed perpendicular to the principal axis of a convex lens of ... Found inside – Page 272sin i = BC = v1 t sin r AD v 2 t 1⁄2 = (b) l = 10 m, u = 5 m/s, B = 0.3 × 10–4Wb/m2 \ e = Blv 1 = 0.3 ... 4 Calculate the speed of light in the prism. Found inside – Page 231Paper–10. A big heartfelt Thank You! It's time for your valuable. dφ e2r2B2 1. ... Apply the formula, Enet = E1 – E 2 and I = Enet R 19. Found inside – Page 237On which of these factors, if any, does (a) The speed of light in vacuum, ... [1] For sound waves, the Doppler formula for frequency shift differs slightly ... Found inside – Page 237Hence, the Doppler formula for the 500 nm = 500 × two situations cannot be the same. [1] 10−9 m In case of light waves, sound can travel in a Distance of ... Found inside – Page 399If the screen is moved by 5 ́ 10 - 2 m towards the slits, the change in fringe width ... Calculate velocity of light in glass if velocity of light in vacuum ... Found inside – Page 11SECTION I (40 MARKS) (Answer all questions) Q A P A Q (e) Calculate the equivalent ... (2) (e) A ray of light incident at an angle of incidence 'i' passes ... Found inside – Page 145The following four equations known as Maxwell's Equations have been called the ... the fact that electromagnetic waves propagate at the same speed as light, ... Found inside – Page 237Hence, the Doppler formula for the 500 nm = 500 × two situations cannot be the same. [1] 10−9 m In case of light waves, sound can travel in a Distance of ... Found inside – Page 30If the static electric charge on the oil drop is –1.282 × 10–18C, calculate the number of electrons present on it. [NCERT Text Book Question, Q. 39, ... Found inside – Page 231Paper–10. A big heartfelt Thank You! It's time for your valuable. dφ e2r2B2 1. ... Apply the formula, Enet = E1 – E 2 and I = Enet R 19. Found inside – Page iiiUnit VI: Optics 27 Periods Chapter-9: Ray Optics and Optical Instruments Ray Optics: Reflection of light, spherical mirrors, mirror formula, refraction of ... Found inside – Page 237Hence, the Doppler formula for the 500 nm = 500 × two situations cannot be the same. [1] 10−9 m In case of light waves, sound can travel in a Distance of ... Found inside – Page 193(v) The speed of light in a medium is independent of intensity. For sound waves, the Doppler formula for frequency shift differs slightly between the two ... Found inside – Page 267Calculate the wavelength of light in glass if the frequency of light is 6 ... the diffraction taking place due to a single slit of aperture 1 × 10–4 m. Found inside – Page 810. b a 14. (b) To make the light diverging as much as possible. ... (d) 30 , 30 u cm f cm by using mirror formula c b c c a b a c d c Multiple Choice ... Found inside – Page 30If the static electric charge on the oil drop is –1.282 × 10–18C, calculate the number of electrons present on it. [NCERT Text Book Question, Q. 39, ... Found inside – Page 436A metal whose work function is 3·0 eV is illuminated by a light of wavelength 3 × 10–7 m. Calculate : (i) The threshold frequency, (ii) The maximum energy ... Found inside – Page 435The speed of light at point (x, y) is v(x, y) (see Fig. 11-1). We seek the path of the light ray which passes through two given points P and Q. Fermat's ... Found inside – Page 202What is the speed of light in a medium of refractive index 65 if its speed in air is 3,00,000 km/s ? 15. The refractive index of glass is 1.5. Calculate the ... Found inside – Page 195Always write the data before substituting the values in the formula. ... for the light of red and blue colours are nearly 7.8 × 10– 7 m and 4.8 × 10– 7 m ... Found inside – Page 133R = 4Ω, Z = 5Ω, Vrms = 200 V and Irms = 1.5 A. Calculate the average power ... slit of width 1·24 × 10–6 m is observed with the light of wavelength 6200 ... Found inside – Page 72(a) (i) A ray of light passes from water to air, How does the speed of light change ? ... [2] (d) Calculate the quantity of heat produced in a 20 Ω resistor ... Found inside – Page 227( iv ) Use the lens formula to find the position of the image . ... ( i ) When white light passes through a prism , it undergoes dispersion . Found inside – Page 24Write the dimensional formula for surface energy, moment of inertia, ... m ∴ 1⁄2 4.29 light year = 4.058×10 16 ∴ 3.08×10 16 = 1.318 parsec = 1.32 parsec. Found inside – Page 231Paper–10. A big heartfelt Thank You! It's time for your valuable. dφ e2r2B2 1. ... Apply the formula, Enet = E1 – E 2 and I = Enet R 19. Found inside – Page 356Light of wavelength 5000 Å is incident on a surface of photoelectric work ... Calculate the energy of a photon of wavelength 4000 Å. [Ans. 4.95 × 10–19 ... Found inside – Page 231Paper–10. A big heartfelt Thank You! It's time for your valuable. dφ e2r2B2 1. ... Apply the formula, Enet = E1 – E 2 and I = Enet R 19. Found inside – Page iiUnit VI: Optics 27 Periods Chapter-9: Ray Optics and Optical Instruments Ray Optics: Reflection of light, spherical mirrors, mirror formula, refraction of ... A series of six books for Classes IX and X according to the CBSE syllabus Found inside – Page 149Laser light of wavelength 630 nm is incident on a pair of slits which are ... Several candidates used wrong formula to find the distance of the 10th bright ... Found inside – Page 26910. Wave. Optics. Q. 1. What is the effect on the interference pattern in Young's ... The exact Doppler formulas for the case of light waves in vacuum are, ... Found inside – Page 228(b) Calculate the relative refractive index for light going from crown glass to flint glass. 13. The speed of light in air is 3 × 108 m/s. In medium X its ... 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