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ICSE Class X Board Exam 2024 : Physics | |
3. To undergo Total Internal Reflection, a color with a higher refractive index than the material of the prism should replace the blue ray. This could be a violet or ultraviolet ray. soniya7 |
ICSE Class X Board Exam 2024 : Physics | |
2. The angle B of the prism (A) is the angle of deviation, which can be calculated using the formula: angle of deviation = (angle of incidence + angle of refraction) - angle of prism. springy |
ICSE Class X Board Exam 2024 : Physics | |
1. Critical angle of the material can be calculated using Snell's Law: n1 * sin(critical angle) = n2 * sin(90). Given that n1 = 1 (air) and n2 = 1.5 (material of the prism), critical angle = sin^-1(1/1.5) = 41.81 degrees. tara42 |
ICSE Class X Board Exam 2024 : Physics | |
(a) Red color is used as a danger signal on the top of a skyscraper because it is the longest wavelength of light, making it highly visible from a distance and in low light conditions. veena_j |
ICSE Class X Board Exam 2024 : Physics | |
Both A and Radio waves are forms of electromagnetic radiation. milaan_ghost |
ICSE Class X Board Exam 2024 : Physics | |
X-ray belieber_not |
ICSE Class X Board Exam 2024 : Physics | |
Focal length of the lens can be calculated using the lens formula: 1/f = 1/v - 1/u. Given that v = 72 cm and u = -36 cm (negative because the object is placed before the lens), f = 24 cm. Power of the lens can be calculated using the formula P = 1/f where f is in meters. Therefore, P = 1/0.24 = 4.17 diopters. uma_didi |
ICSE Class X Board Exam 2024 : Physics | |
The focal length of the lens is 36 cm and its power is +5 D. anita_g |
ICSE Class X Board Exam 2024 : Physics | |
The heat required can be calculated using Q = m x L, where Q is the heat energy, m is the mass of the ice, and L is the latent heat of fusion. Q = 500g x 330 Jg^-1 = 165,000 J or 165 kJ. sitar_player |
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