Light of frequency 6.0 x 1014 Hz travelling in air is transmitted through glass or…
Light of frequency 6.0 x 1014 Hz travelling in air is transmitted through glass or refractive index 1.5.…
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The fundamental frequency of vibration of a sonometer wire may be halved by
The fundamental frequency of vibration of a sonometer wire may be halved by A. doubling the length of…
The note produced by a stretched string has a fundamental frequency of 400Hz. If the…
The note produced by a stretched string has a fundamental frequency of 400Hz. If the length of the…
The equation of transverse wave traveling along a string is given by Y = 0.3…
The equation of transverse wave traveling along a string is given by Y = 0.3 sin(0.5x – 50t)…
The sound from a source travelled to the bottom of the sea and the echo…
The sound from a source travelled to the bottom of the sea and the echo was heard 4s…
Two similar kettles containing equal masses of boiling water are placed on a table. If…
Two similar kettles containing equal masses of boiling water are placed on a table. If the surface of…
When 100g of liquids L1 at 78°C was mixed with Xg of liquid L2 at…
When 100g of liquids L1 at 78°C was mixed with Xg of liquid L2 at 50°C, the final…
Heat is supplied to a test tube containing 100g of ice at its melting point….
Heat is supplied to a test tube containing 100g of ice at its melting point. The ice melts…
If a room is saturated with water vapour, the temperature of the room must be
If a room is saturated with water vapour, the temperature of the room must be A. at 0oC…
Which of these statements are TRUE of pressure in liquids? i. pressure acts equally in…
Which of these statements are TRUE of pressure in liquids? i. pressure acts equally in all direction. ii.…