Experimental Skills questions
159 published questions with worked solutions.
- The resistances in the two gaps of a balanced meter bridge are 'X' and '3X' respectively. If the resistances are interchanged the...
- In a meter bridge experiment, the balance point is obtained at length 'l_1' cm from left hand when resistances in the left gap...
- The ratio of the speed of sound in helium gas to that in nitrogen gas at 295 K is (Ratio of specific heats for helium is 5 3 and...
- In meter bridge experiment, two resistances X and Y in the two gaps give a null point dividing the wire in the ratio 2 : 3. When...
- In a sensitive meter bridge apparatus the bridge wire should possess
- In a metre bridge experiment null point is obtained at 40 cm from one end of the wire when resistance X is balanced against...
- An experiment is performed to obtain the value of acceleration due to gravity g by using a simple pendulum of length L. In this...
- An n-p-n transistor has three leads A, B and C. Connecting B and C by moist fingers, A to the positive lead of an ammeter, and C...
- The AC voltage across a resistance can be measured using a:
- To know the resistance G of a galvanometer by half deflection method, a battery of emf V _ E and resistance R is used to deflect...
- A Zener diode with a breakdown voltage of 4 V is connected in series with a resistance R to a battery of emf 10 V. The maximum...
- To determine refractive index of glass slab using a travelling microscope, minimum number of readings required are :
- A beam of metal supported at the two ends is loaded at the centre. The depression at the centre is proportional to
- The length of a simple pendulum is about 100 cm known to an accuracy of 1 mm. Its period of oscillation is 2 s determined by...
- A student uses a simple pendulum of exactly 1 m length to determine g, the acceleration due to gravity. He uses a stop watch with...
- A student performed the experiment of determination of focal length of a concave mirror by the u–v method using an optical bench...
- A student performs an experiment for determination of g= 4 ^2l T^2 and he commits an error of l. For that he takes the time of n...
- A student uses a simple pendulum of exactly 1 ,m length to determine g, the acceleration due to gravity. He uses a stop watch...
- A tachometer is a device to measure
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