Physics Which of the following properties is found only in ferromagnetic materials ? Hysteresis Point in a particular direction Attracting a magnetic substance Susceptibility independent of temperature Hysteresis Point in a particular direction Attracting a magnetic substance Susceptibility independent of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear > 85 db < 85 db None of these = 85 db > 85 db < 85 db None of these = 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics ________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system. Faraday's Law Hooke's Law First law of thermodynamics The coulomb's law Faraday's Law Hooke's Law First law of thermodynamics The coulomb's law ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1+k2/k1k2 K1k2/k1+k2 2k1k2/k1+k2 None K1+k2/k1k2 K1k2/k1+k2 2k1k2/k1+k2 None ANSWER DOWNLOAD EXAMIANS APP
Physics Kepler's law of planetary motion states that the square of the time period is proportional to the Cube of the semi-major axis Square of the semi-major axis Semi-major axis Fourth power of the semi-major axis Cube of the semi-major axis Square of the semi-major axis Semi-major axis Fourth power of the semi-major axis ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? G-rays B-rays X-rays A-rays G-rays B-rays X-rays A-rays ANSWER DOWNLOAD EXAMIANS APP
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