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Physics Important Last min suggestions for class 12 cbse

Multiple Choice Question 1. Which statement is true for Gauss law ? (a) All the charges whether inside or outside the Gaussian surface contribute to the electric flux. (b) Electric flux depends upon the geometry of the Gaussian surface. (c) Gauss theorem can be applied to non-uniform electric field. (d) The electric field over the Gaussian surface remains continuous and uniform at every point. Ans.  (d) The electric field over the Gaussian surface remains continuous and uniform at every point. 2. An electric dipole placed in a non-uniform electric field can experience. (a) a force but not a torque. (b) a torque but not a force. (c) always a force and a torque. (d) neither a force nor a torque. Ans.  (c) always a force and a torque. 3. Some charge is being given to a conductor. then, its potential (a) is maximum at surface. (b) is maximum at centre. (c) remains the same throughout the conductor. (d) is maximum somewhere between surface and centre. Ans.  (c) remains the sam...
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UPSC Prelims QUIZ

1) Which one of the following is  not  a criterion for declaring a language as a classical language? a. High antiquity of its early texts/recorded history over a period of 1,500-2,000 years b. A body of ancient literature/texts which is considered a valuable heritage by generations of speakers c. Should be speak at least by a population not less than 2 lakhs and have minimum two generational speakers d. A literary tradition that is original and not borrowed from another speech community Answer : c The criteria for declaring a language as classical mandates: High antiquity of its early texts/recorded history over a period of 1,500-2,000 years. A body of ancient literature/texts which is considered a valuable heritage by generations of speakers. A literary tradition that is original and not borrowed from another speech community. Since the classical language and literature is distinct from the modern, there can also be a ...
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Average Sheet 1

Average Sheet 1 Q1. The mean of 11 numbers is 35. If the mean of first 6 numbers is 32 and that of the last six numbers is 37, find the sixth number. (a) 28 (b) 29 (c) 30 (d) 27 Q2. The average of 5 consecutive integers starting with ‘m’ is n. What is the average of 6 consecutive integers starting with (m + 2)? (a) (2n+5)/2 (b) (n + 2) (c) (n + 3) (d) (2n+9)/2 Q3. Eight consecutive numbers are given. If the average of the two numbers that appear in the middle is 6, then the sum of the eight given numbers is: (a) 54 (b) 64 (c) 36 (d) 48 Q4. The average of four consecutive even numbers is 15. The 2nd highest number is: (a) 12 (b) 14 (c) 18 (d) 16 Q5. Average of first five odd multiples of 3 is (a) 12 (b) 16 (c) 15 (d) 21 Q6. In a 20 over the match, the required run rate to win is 7.2. If the run rate is 6 at the end of the 15th over, the required run rate to win the match is: (a) 1.2 (b) 13.2 (c) 10.8 (d) 12 Q7. If the mean of 4 observations is 2...
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