Physics question and answers for September 21, 2024
- Q In the following transistor amplifier circuit B 50 VCE of the transistor is 245kQ 40 AY B 10 V 2ks
- Q 16 For a ferromagnetic substance the correct graph between X and H is Xm 1 3 Xm R H xm H 2 4 12m H H
- Q 5 Prism angle of glass prism is 10 It s refractive index of red and violet colour is 1 51 and 1 52 respectively Then its dispersive power will be...
- Q Let m 1 kg m 2 kg and m 3 kg in figure 5 E12 Find the accelerations of m m and m The string from the upper pulley to...
- Q Example 3 54 Figure shows three identical bulbs A B and C which are connected to a battery of supply voltage V When the switch S is closed then discuss...
- Q 3 6 5 A man of 50 kg mass is standing in a gr space at a height of 10 m above the floor H throws a stone of 0...
- Q Example 10 12 Distance between the slits in YDSE shown in figure is d 20 where is the wavelength of light used Fir the angle 0 where 1 2 45...
- Q The motion of a particle of mass m is gl x 0 fort 0 s x t A sin 4 t for 0 t 1 4 s A 0 and...
- Q 6 An ice cube contains a large air bubble The cube is floating on the horizontal surface of water contained in a trough What will happen to the water level...
- Q 4 35 A rod of length with thermally insulated lateral surface and cross sectional area A consists of material whose heat conductivity coefficient varies with temperature as k a T...
- Q 51 A thin rod AB of length is kept vertical on a horizontal floor such that end A is in contact with floor If the rod is allowed to fall...
- Q For a particle executing simple harmonic motion the KE is given by K K cos wt Then maximum value of potential energy for given particle 1 May be K 2...
- Q The value of can be B me obtained by using a specially designed vacuum tube The figure contains a heated filament F and an anode A which is maintained at...
- Q In a simple pendulum length increases by 4 and g increases by 2 then time period of simple pendulum 1 Increases by 4 2 Increases by 3 3 Decreases by...
- Q the ball If yes what should be the angle A yes 60 B yes 30 C no D yes 45 The relation between time t and distance x is t...
- Q d it The piston cylinder arrangement shown contains a diatomic gas at temperature 300 K The cross sectional area of the cylinder is1 m Initially the height of the piston...
- Q resistance between the ends of a face diagonal such as a and c a h IL X C C of
- Q c A B a 59 A is directed along north and B is directed south west If C A B then which of the follow relations are correct a C...
- Q A ball floats on the surface of water in a container exposed to the atmosphere If the container is now covered and the air is pumped out then A the...
- Q A wheel of mass M rotating on a vertical plane can roll down an incline of inclination Prove that if a body of mass m is attached to its circumference...
- Q 21 The centres of two identical small conducting spheres are 1 m apart They carry charges of opposite kind and attract each other with a force F When they are...
- Q 5 In the above problem If the force F would have been applied on the bar of mass m then what would have been the maximum force F for no...
- Q The potential at point P is k V V d A C kV 2V k 2 B D kV V K 1 kV 2V k 2 V 2d K P
- Q 48 The position vector of a particle varies with time as r ro 1 at t where ro is a constant vector a is a positive constant then the distance...
- Q Which of the following statements are correct a Centre of mass of a body always coincides with the centre of gravity of the body b Centre of mass of a...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!