Question 11.1. The data in the following table were gathered f...

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Question 1HardViews: 5,996Q.34. By means of plotting find: (a) the path of a ray of light beyond thin converging and diverging lenses (Fig. 5.7, where 00' is the optical axis, F and F' are the front and rear focal points);(b) the position of a thin lens and its focal points if the position of the optical axis 00' and the positions of the cojugate points P, P' (see Fig. 5.5) are known; the media on both sides of the lenses are identical; (c) the path of ray 2 beyond the converging and diverging lenses (Fig. 5.8) if the path of ray I and the positions of the lens and of itsoptical axis 00' are all known; the media on both sides of the lenses are identical.

Topic: Ray Optics and Optical Instruments Book: Problems in General Physics (IE Irodov)

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Question 2HardViews: 5,644A potentiometer circuit has been set up for finding the internal resistance of a given cell. The main battery, used across the potentiometer wire, has an emf of 2.0V and a negligible internal resistance. The potentiometer wire itself is 4m long. When the resistance, R, connected across the given cell, has values of:(i) infinity(ii) 9.5Ω The balancing lengths, on the potentiometer wire, are found to be 3m and 2.85m, respectively. The value of internal resistance of the cell is :0.25Ω0.95Ω0.5Ω0.75Ω

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Question 3EasyViews: 5,401

Deduce an expression for equivalent capacitance C when three capacitors C1,C2 and C3 are connected in parallel.

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Question 4EasyViews: 5,366Consider the following statements :(A) Atoms of each element emit characteristics spectrum.(B) According to Bohr's postulate, an electron in a hydrogen atom, revolves in a certain stationary orbit.(C) The density of nuclear matter depends on the size of the nucleus.(E) Radioactivity is an indication of the instability of nuclei.Choose the correct answer from the options given below :A, B and E onlyA, C and E onlyB and D onlyA, B, C, D and E

Topic: Atoms Exam: JEE Mains 2021 July 27 Shift 2

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Ballistic Seed Dispersal. Some plants disperse their seeds when the fruit splits and contracts, propelling the seeds through the air. The trajectory of these seeds can be determined with a high-speed camera. In an experiment on one type of plant, seeds are projected at 20cm above ground level with initial speeds between 2.3m/s and 4.6m/s The launch angle is measured from the horizontal, with +90∘ corresponding to an initial velocity straight up and −90∘ straight down.If a seed is launched at an angle of 0∘ with the maximum initial speed, how far from the plant will it land? Ignore air resistance, and assume that the ground is flat. (a) 20cm; (b) 93cm; (c) 2.2m;(d) 4.6m.

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Question Text	Question 11.1. The data in the following table were gathered for an environmental impact study that examined the relationship between the depth of a stream survey and the rate of its flow (Ryan,Joiner,and Ryan1976XyDepth Flow Rate 0.34 0.636 0.29 0.319 0.28 0.734 0.42 1.327 0.29 0.487 0.41 0.924 0.76 7.35 0.73 5.89 0.46 1.979 0.4 1.1241.1 a. Use the least squares method in its matrix approach to fit the model Yi=o+x+x+i.You may use Matlab or any package of your choice and if vou do it with a calculator,round up vour answers to 6 decimal places. [15] 1.1b.Predict the flow rate values for the depths:0.49;0.51;and 0.68. [6] 1.1 c.Calculate the residual sum of squares RsS [4]
Topic	All topics
Subject	Physics
Class	Class 12

Question 1 1.1. The data in the following table were gathered f... | Filo (2024)

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