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XII Physics 2025 A cell of e.m.f. E and internal resistance r is connected with a variable external

X Maths Standard 2025 Three sets of Physics, Chemistry and Mathematics books have to be stacked in

X Maths Standard 2025 If the radii of the bases of a cylinder and a cone are in the ratio 3 : 4 and

X Maths Standard 2025 If the zeroes of the polynomial x² + ax + b are in the ratio 3 : 4, then prove

X Maths Standard 2025 A ladder 14 m long leans against a wall. If the foot of the ladder is 7 m from

X Maths Standard 2025 The greatest number which divides 70 and 125, leaving remainders 5 and 8

X Maths Standard 2025 If the length of a chord of a circle is equal to its radius, then the angle

X Maths Standard 2025 If α + β = 90° and α = 2, then cos² α + sin² β is equal to : (A) 0 (B) 1/2

X Maths Standard 2025 An arc of a circle is of length 5π cm and the sector it bounds has an area of

X Maths Standard 2025 Three numbers in AP have the sum 30 What is its middle term (A)4(B)10(C)16

XII Physics 2025 The threshold voltage of a silicon diode is 0.7 V. It is operated at this point by

XII Physics 2025 A light of wavelength 400 nm is incident on metal surface whose work function is 3

XII Physics 2025 Two concave lenses A and B, each of focal length 8 cm are arranged coaxially 16 cm

XII Physics 2025 In a double-slit experiment, 6th dark fringe is observed at a certain point of the

XII Physics 2025 In the circuit three ideal cells of emf V, V and 2V are connected to a resistor of

XII Physics 2025 Two wires of the same material and the same radius have their lengths in the ratio

X Maths Standard 2025 Amrita stood near the base of a lighthouse, gazing up at its towering height

X Maths Standard 2025 A brooch is a decorative piece often worn on clothing like jackets, blouses

X Maths Standard 2025 A school is organizing a charity run to raise funds for a local hospital.

XII Physics 2025 Assertion (A) :In an ideal step-down transformer, the electrical energy is not lost

XII Physics 2025 Assertion (A) : Out of Infrared and radio waves, the radio waves show more diffrac

XII Physics 2025 Assertion (A) : In Bohr model of hydrogen atom, the angular momentum of an electron

XII Physics 2025 Assertion (A) : In a semiconductor diode the thickness of depletionlayer is not fix

XII Physics When the resistance measured between p and n ends of a p-n junction diode is high, it

XII Physics 2025 The energy of an electron in a hydrogen atom in ground state is -13.6 eV. Its

XII Physics 2025 Atomic spectral emission lines of hydrogen atom are incident on a zinc surface. The

X Maths Standard 2025 Find the missing frequency 'f' in the following table, if the mean of the

X Maths Standard 2025 A train travels a distance of 480 km at a uniform speed. If the speed had been

X Maths Standard 2025 The perimeter of a right triangle is 60 cm and its hypotenuse is 25 cm.

X Maths Standard 2025 In Δ ABC, if AD ⊥ BC and AD² = BD x DC, then prove that ∠ BAC = 90°.