Lato-kosero

Monetary based model of money supply through the principle of money multiplier (m). Money multiplier (m) is the ratio of the aggregate stock of money available in the economy (M) to the size of high powered money (H). It shows that the aggregate stock of money supply available in the economy is the product of the value of money multiplier times the size of high powered money. There are many money multiplier models developed by different economists at different time period like: -           General model (IMF model) -           Cagan model -           Friedman model -           Luckett model -           Pesek and saving model -           Jerry & Jordan model and so on… Out of them Jerry & Jordan model is taken as the best model of money multiplier that has 7 equations in hand as given as: M = C + DD + OD ---------------------- equation (1) H = C + R + OD ------------------------- equation (2) R = r + D --------------------------------- equation (3)

1. Why the temperature remains constant during change of state? 2. Milk boils faster than water. Why? 3. What do you mean by specific heat capacity of water is 4200 J/Kg K? 4. Why night in desert is very cold and days are very hot? 5. Explain the reason of using water as both cooling as well as heating agent? 6. Why babies are wrapped tightly with warm clothes than grownups in winter? 7. Why do animals eat more during winter? 8. Why do animals curl during winter? 9. Does Newton’s law of cooling apply to warming as well as cooling? 10. Does the specific heat capacity of a substance depends on its temperature? 11. How are camels able to bear high temperature in summer in desert? 12. Trees put up or acquire more leaves in summer in desert. Explain? 13. Should a thermometer bulb have large heat capacity or small heat capacity? 14. If you want to cool a coke bottle quickly, you put it into the defreeze of a refrigerator. Why

“Kirchhoff’s” law is preferred over Ohm’s law. Why? Can we apply Kirchhoff’s law to both a.c. and D.C.? Kirchhoff’s laws are related to certain conservation laws. Explain? “Wheatstone bridge method of determination of resistance is considered to be more accurate than the voltmeter-ammeter method”. Why? When the Wheatstone bridge most sensitive? Wheatstone bride is not suitable for measuring very low and very high resistances. Why? A meter bridge wire is called a slide wire bridge. Why? It is better to get null deflection at the middle of the wire in a meter bridge. Why? What is meant by end correction for the meter bridge? How it can be reduced? What is potentiometer? What is its principle? What is potential gradient? What is the significance of it? Why it should be small for more accurate measurement? The potentiometer wire should be long and of uniform thickness. Why? The sensitivity of potentiometer wire can be increased by increasing its length. But we are usually sat

Heat and temperature Short questions: 1.        Distinguish between heat and temperature? 2.        Distinguish between heat and work? 3.        When two bodies A and B are brought in contact, heat flows from body B to A. Which is at higher temperature? 4.        Why is mercury used commonly  as a thermometric substance? Give two reasons. 5.        What is thermal equilibrium? Can two object not in contact ever be in thermal equillibrium? 6.        State Zeroth law of thermodynamics? Define temperature on the basis of Zeroth law  of thermodynamics? 7.        Why two objects in thermal contact come in thermal equilibrium? 8.        Which physical quantity determines the direction of flow of heat? 9.        Is it necessary that when you add heat to a substance, there is increase in temperature of substance? 10.    What are the effects of heat? 11.    When  a solid is heated, what is the effect on its (i) volume (ii) density and (ii) mass ? 12.    What is therm

Short Answer Questions:                                                                                                                             AP 1.        How are stationary waves formed? 2.        Longitudinal waves cannot be polarized. Why? 3.        A radio station broad casts at 800Khz. What will be the wavelength of the wave? 4.        Why longitudinal wave propagate in liquid? 5.        What is progressive wave? Give example. 6.        What do you mean by resonance? 7.        Can transverse wave be produced in air? 8.        If you set your watch by the sound of distant siren, will it go fast or slow? 9.        A wave transmits energy. Does it transfer linear momentum? 10.    Energy can be transferred by particles as well as by waves. How can we distinguish experimentally between these two methods of energy transfer? 11.    Bells are made up of wood but not of wood. Why? 12.    We prefer knocking rather than calling someone inside a closed room.

           1.    Why do we use connecting wires made of copper? 2.       A wire carrying current remains electrically neutral. Why? 3.       A large number of free electrons are present in metals. Why is there no current in the absence of electric field across it? 4.       Why do electrons acquire a steady drift velocity after applying a voltage? 5.       A wire of resistivity ρ is stretched to three times its length. What will be its new resistivity? 6.       Name any two physical parameters on which the resistivity of the material depends? 7.       Manganin and constantans are used for making standard resistors. Why? 8.       Two wires of equal length, one of copper and other manganin, have equal resistance. Which wire is thicker? 9.       Why is it dangerous to operate electrical appliances with wet hands? 10.    What is the effect of heating a conductor on the drift velocity of free electrons? 11.    Is it possible to make the resistance of metals equal to zer