Physics Red light has a wavelength of 70 A°. In "nm" it is 70 nm 0.07 nm 7 nm 700 nm 70 nm 0.07 nm 7 nm 700 nm ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is ANSWER DOWNLOAD EXAMIANS APP
Physics Heat stored in water vapour is Absolute heat Relative heat Specific heat Latent heat Absolute heat Relative heat Specific heat Latent heat ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1pa = C2pg C1>C2 C2>C1 C1 = C2 C1pa = C2pg C1>C2 C2>C1 C1 = C2 ANSWER DOWNLOAD EXAMIANS APP
Physics Which is a common first indicator of an approaching thunderstorm? A buildup of dark clouds Too hot Heavy wind Lightning A buildup of dark clouds Too hot Heavy wind Lightning ANSWER DOWNLOAD EXAMIANS APP
Physics A small piece of a substance is weakly attracted by a strong magnetic field. The substance is Non-magnetic Paramagnetic Diamagnetic Ferromagnetic Non-magnetic Paramagnetic Diamagnetic Ferromagnetic ANSWER DOWNLOAD EXAMIANS APP
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