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The wavelength of the incident photons for a photoelectric emission process is increased then the photoelectric current will-
The pie chart given below shows the amount spent by a boy on the purchase of six different items. The total amount spent on all these six items is Rs. 54000. The amount spent on a specific item is represented as a degree with reference to the total amount spent on all these six items. Which of the following statement(s) is/are correct? I. The amount spent on article A is Rs.900 less than the amount spent on article B. II. The amount spent on article C is Rs 2400 more than the amount spent on article D. III. The ratio of the amount spent on article B to the amount spent on article E is 4 : 1.
Light of certain frequency and intensity incident on a photosensitive material causes the photoelectric effect. If both the frequency and intensity are doubled, the photoelectric saturation current becomes
Euro emission norms are emission standards and these represent a package setting limits for emission from a vehicle. Which of the following gases is covered under this?
According to the law of photoelectric emission, the number of electrons emitted per second depends on
Each of the question below consists of a question and three statements number I, II and III given below it. You have to decide whether the data provided in the statement are sufficient to answer the question. Sid has a monthly income of Rs. 60000 out of which every month he saves some amount. He distributes some amount of money among his three sisters and one brother. Out of remaining amount of his income, he spends 40% on other things and rest of the amount is saved by him. What percent of money is received by each sister if each sister receives equal amount? Statement I: Each sister received Rs. 500 less than the amount received by brother and Sid’s other expenditure is Rs. 16800. Statement II: Sid saves Rs. 25200 on every month. Statement III: Each sister and brother received equal amount and saving are Rs. 25200.
Consider the following statement: 1. The number of photoelectrons emitted is proportional to the intensity of the incident beam. 2. The kinetic energy of emitted electrons in the photoelectric effect does not depend on intensity. 3. The kinetic energy of emitted electrons in the photoelectric effect does not depend on frequency. Which of the following statement is INCORRECT?
Four siblings M, N, P and Q have a certain amount in their wallets. The average amount of all four is Rs.80. Amount of N is 60% more than the amount of Q and difference in the amount of N and M is 10 where N > M. The sum of the amount of P and M is equal to Rs. 190. Find the sum of amounts of N and P.
Rajeev visited an electronic gadgets store to buy Mobile phones and Laptops. He purchased 2 mobile phones and 1 laptop. For this purchase, he paid full amount of the Mobile phones but only one-third of the amount of the Laptop. In total he paid Rs. 60,000. After a week, he visited the store again and purchased 3 Mobile phones and 2 Laptops. For this purchase, he paid full amount of the Laptops but only two-third of the amount of the Mobile phones. This time he paid Rs. 1,10,000 in total. What amount he should pay if he purchase 1 Mobile phone and 1 Laptop only and pays full amount for both ?
A insulin producing company starts the production with 4 kg of insulin, the next day the amount of insulin was increased to 12 kg. If the amount of insulin on the n + 1th day : amount of insulin on nth day ∷ amount of insulin on nth day : amount of insulin on the n – 1th day and once the amount of insulin crosses 100 kg, 90 kgs of the insulin is removed. What will be the total production of insulin in 23 days?