Physics Class – XII Dual nature of matter Q.1. State the dependence of work function on kinetic energy of electrons emitted in a photocell. If the intensity of incident radiation is doubled‚ what changes occur in the stopping potential and photoelectric current? Q.2. How does the maximum kinetic energy of the emitted electrons vary with the work function? Q.3. the frequency of incident radiation is greater than the threshold frequency in a photocell. How will the stopping potential vary if
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A Temporary Matter Husband and wife Shukumar and Shoba are notified that their electricity will be turned off at 8:00PM for five evenings in a row in order to fix a power line. Shoba tells her husband this news. He looks at her‚ noticing that her makeup has run from her time at the gym. He reminisces about how she would look in the morning after a party in happier times. Shoba insists that the electric company should work on the lines during the day. Shukumar takes slight offense at this idea; since
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The play‚ After the Ball by David Williamson‚ is primarily about the disappointments and realities that test a suburban Australian family in a time of mystifying social revolution. Much of the dramatic action within the play derives from misunderstandings between characters and their opposing beliefs about what it means to be Australian. These differing beliefs lead to tension of relationships between the characters Stephen‚ Judy and Ron. The conflicts and dilemmas within these relationships lead
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What justifies war? Who justifies it? Why as human beings do we feel the need to fight‚ harm‚ and kill others to achieve certain goals? These questions have been pertinent to our society since the beginning of time and continue to challenge us to better understand the human psyche‚ and code of ethics that give Soldiers‚ Sailors‚ Airmen‚ Coast Guardsmen‚ and Marines credence to kill in the name of the United States of America. These ethics of war lay the foundation for that code of understanding and
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Which way are we headed…Life is just a dream With the progress of technology humanity is headed towards two different directions. On one hand there is absolute annihilation. We all realize there exist WMD’s that can wipe the entire human race many times over. On the other hand immortality seems to be just round the corner. It might not be possible to immortalize human body per se. Creating a media to take a back up of human soul is surely not a distant dream. Human consciousness is undoubtedly
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JUST ONE WISH Chapter 1 I would have expected to see this sort of line if‚ say‚ Elvis had returned from the dead to give a concert. Or if some eccentric yet ultra-cool billionaire was blessing the lives of deserving teens by handing out free sports cars. But I hadn‟t expected to see this many people lined up in the dark waiting for the Day-After-Thanksgiving sale at Toys “R” Us. Really‚ whatever happened to good oldfashioned procrastination? Apparently every resident of Henderson‚ Nevada‚ had
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Why Marriage Matters -3rd Edition Marriage matters. If marriage did not matter‚ would it even be considered when growing up? Today‚ I feel that the word “marriage” is often misunderstood‚ and that’s why I am intrigued by any research that has been done on this topic. Like most‚ I believed that the divorce rate was skyrocketing. However‚ as I was going through my Marriage and Family book‚ I quickly began to realize that marriage has survived through it all due to its importance. According to
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Shakespeare’s “Hamlet” is the first play of great tragedies. Because of Hamlet’s father’s death‚ Hamlet is faced with life’s most difficult question about the nature of good and evil. Love‚ grief‚ anger‚ or despair can bring about dramatic action but by taking the life of a human needs only the nerve of a common man. Revenge however‚ calls for wisdom and discipline. The Protagonist‚ “Hamlet” some thought displayed signs of true and feigned madness. He displayed over whelming grief to rage. Some
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Skills: Planning and Design Topic: Pure and Impure Matter Date: January 13‚ 2012 Problem: Troy was told that the presence of an impurity raises the boiling point of water. Troy wanted to carry out an experiment with salt water and distilled water to determine which would have a higher boiling point. Suggest a plan and design for this lab. Hypothesis: The salt water will have a higher boiling point than the distilled water. Variables: Controlled: the amount of distilled water and salt. Manipulated:
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Every Child Matters Introduction This act is to promote a child’s wellbeing‚ safety and learning. To protect them by law and to encourage how parents need to treat their children. Their Classification of a child is anyone under the age of 18‚ if there is a child in need of help with serious factors affecting their lives then this act will take into place and attend to their needs however they can. I will go through this act in parts‚ going through key points that the act covers. The Act’s aim
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