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1.A ray of light strikes a surface and is reflected so that the angle between the incident ray and the reflected ray is 30 degrees. What is the angle of incidence?
Answer : _________ degrees (just input the number)
2.A ray of light strikes a surface and is reflected so that the angle between the incident ray and the reflected ray is 30 degrees. What is the angle of reflection?
Answer : ______ degrees (just input the number)
Find an expression for a square matrix A satisfying A squared
= In, where In is the n × n identity matrix. Give 3
examples for the case n = 3.
1.A ray of light strikes a surface and is reflected so that the angle between the incident ray and the reflected ray is 30 degrees. What is the angle of incidence?
Answer : _________ degrees (just input the number)
2.A ray of light strikes a surface and is reflected so that the angle between the incident ray and the reflected ray is 30 degrees. What is the angle of reflection?
Answer : ______ degrees (just input the number)
Inregrate "\\int \\frac{\\cos x dx}{\\sin^2 x}"
e) A diatomic gas has a density of 1.25 g/L at STP. Calculate its molar mass and identify the gas.
What is the molality of para-dichlorobenzene in a solution prepared by dissolving 2.65g C6H4Cl2 in 50.0 mL of benzene (d=0.897g/mL)?
What is the force of gravity between two sacks of rice and corn with a masses of 50.0 kg and 68.0 kg separately by 15.0 m?
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An electrically neutral metallic solid undergoes induction after which it loses l0'electrons. What is
the total charge on the metallic solid?
The furnace wall consists of 200m of fire brick and 115m insulating brick having thermal conductivity of 0.7m and 25w/m² respectively. Calculate the heat transfer per metre square of the furnace wall when the temperature difference across the slab is 500°C
If A=6i-8j , B=8i+3j and C=26i+19j determine a and b so that aA+bB+C=0
#340153 on Dec 2023