Physics question and answers for August 19, 2024
- Q A particle of mass 0 2 kg oscillates according to the law x 0 08 cos 20 t T 4 where x is in metre and t is in second...
- Q Q 28 A figure which is of some significance but it does not necessarily denote a certainly is called a significant figure b basic figure c numbering figure d decimal...
- Q 32 a Consider an arbitrary electrostatic field configuration A small test charge is placed at a null point i e where E 0 of the configuration Show that the equilibrium...
- Q Q 31 The area and volume of sphere is 4 50 0 10 cm2 and 50 30 0 10 cm3 Calculate total percentage error in the measurement of area and...
- Q A simple pendulum is oscillating without damping When the displacement of the bob is less than maximum its acceleration vector a is correctly shown in IIT JEE Scrrening 2002 1...
- Q Find the charge flown through the switch from A to B when it is closed 3 F 5V 6 F 3 F 10V A B 10V 13 F 5V 6...
- Q A circular dise of radius R carries surface charge density a r 1 7 where do is a constant and r is the distance from the center of the disc...
- Q A spherical body P has a positive charge on it attracts an another sphere Q placed near it Th sphere Qis 1 Negatively charged 2 Positively charged 3 Neutral 4...
- Q Even Carnot engine cannot give 100 efficiency because we cannot 1 prevent radiation 2find ideal sources eliminate friction 3 reach absolute zero temperature od with 1 mole of a gas...
- Q the perpend 15 A thread carrying a uniform charge per unit length has the configurations shown in Fig 3 2a and b Assuming a curvature radius R to be considerably...
- Q When a stretched string of length L is vibrating in a particular mode the distance between two nodes on the string is I The sound produced in this mode of...
- Q 1 m Water n 1 33 1 m An observer is looking through a 1 meter thick clear water tank If an object is located at 1 m from the...
- Q Two charges q and 4q are kept at a separation d Another charge Q is placed on the line joining the two charges such that all the three charges are...
- Q Two identical glass g 3 2 equiconvex lenses of focal length f are kept in contact The space between the two lenses is filled with water w 4 3 The...
- Q 3 If z and errors in determination of A and B are respectively AA and AB then the fractional error in calculation of z is 2 AxB A B 3...
- Q A 100 2 resistance and a capacitor of 100 92 reactance are connected in series across a 220 V source When the capacitor is 50 charged the peak value of...
- Q 1 Carbohydrates are digested into 2 Cellulose is not 3 Digestion of fat produces 5 4 Liver secretes in nature in man acids and juice which is 5 Grass eating...
- Q e Draw appropriate electric field lines on the figure below for the three cases shown These should represent the electric field due to 1 a single positive point charge 2...
- Q ng questions 1 What is a book with a soft paper cover called Paper book 2 Who Who invented the mechanized printing press Johannes Gutenberg 3 At the end of...
- Q 5 A diatomic gas initially at 18 C is compressed adiabatically to one eighth of its original volume The temperature after compression will be a 395 4 C c 18...
- Q Problem 249 A vertical cylinder of radius R is rotating with a constant angular velocity o along with holders A and B about the axis as shown The vertical movement...
- Q A block of mass m is released from the top of a 23 wedge of mass M as shown in figure All the surface are smooth Let N be the...
- Q mass M with a semicircular track of radius R rests on a horizontal frictionless surface A uniform cylinder of radius r and mass m is released from rest from the...
- Q 1 Two masses m and m2 are connected by a spring of spring constant k and are placed on a smo horizontal surface Initially the spring is stretched through a...
- Q If the amplitude of particle executing SHM is doubled then which of the following quantities will be doubled Time period Total energy Angular frequency Maximum acceleration
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