Experimental Skills questions
159 published questions with worked solutions.
- In an experiment for estimating the value of focal length of converging mirror, image of an object placed at 40 cm from the pole...
- A resistance of 2 Ω is connected across one gap of a metre-bridge (the length of the wire is 100 cm) and an unknown resistance,...
- In an experiment to determine the focal length (f) of a concave mirror by the u-v method, a student places the object pin A on...
- In the experiment to determine the speed of sound using a resonance column,
- A student performed the experiment of determination of focal length of a concave mirror by u-v method using an optical bench of...
- A student performed the experiment to measure the speed of sound in air using resonance air-column method. Two resonances in the...
- Infra red radiation is detected by
- In a metre bridge experiment null point is obtained at 20 cm from one end of the wire when resistance X is balanced against...
- An experiment is performed to find the refractive index of glass using a travelling microscope. In this experiment distance are...
- The V-graph for a conductor makes angle with y-axis. Here V denotes voltage and I denote current. The resistance of the conductor...
- V-I graph makes an angle with current-axis then the resistance of conductor is given by :
- In a metre bridge experiment, unknown resistance X and known resistance of 60 , is connected in left and right gap of a metre...
- In a metre bridge experiment l_x and l_r are the balancing lengths and R is known resistance then unknown resistance is given by
- Which of the following statement is not correct in metre bridge experiment ?
- In the measurement of resistance by a metre bridge, the known and unknown resistance are interchanged to eliminate
- Metre bridge is used to
- For the accurate measurement of resistance by metre bridge, the null point should be obtained
- In a balanced metre bridge, the segment of wire opposite to a resistance of 70 , is 70 cm. The unknown resistance is
- With resistances P and Q in the left and the right gap respectively of a metre 3 : 4. When P and Q are increased by 20 , each,...
- If the resistance of the right gap of a metre bridge is heated, its balance point shifts to
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