Q.5 A bag contains Violet (V), Yellow (Y), Red (R), and Green (G) balls. On countingthem, the following results are obtained:(i) The sum of Yellow balls and twice the number […]
Blog
GATE Life Science 2025 Previous Year Papers with Solutions
Logical Reasoning Puzzle Solution
Q.4 In the context of the given figure, which one of the following options correctlyrepresents the entries in the blocks labelled (i), (ii), (iii), and (iv), respectively?N U F (i)21 […]
GATE Life Science 2025 Previous Year Papers with Solutions
40-Watt Desk Light Energy Cost Calculation
Q.3 An electricity utility company charges ₹ 7 per kWh (kilo watt–hour). If a 40–wattdesk light is left on for 10 hours each night for 180 days, what would be […]
GATE Life Science 2025 Previous Year Papers with Solutions
President Along with Council of Ministers Grammar Rule
Q.2 The President, along with the Council of Ministers, ___________ to visit India nextweek.Select the most appropriate option to complete the above sentence.(A) wish(B) wishes(C) will wish(D) is wishing The […]
GATE Life Science 2025 Previous Year Papers with Solutions
Back Out at the Last Moment
Q.1 Even though I had planned to go skiing with my friends, I had to __________ at thelast moment because of an injury.Select the most appropriate option to complete the […]
![Q.60 In a mass spectrometer, a deuteron with kinetic energy 17 MeV enters a uniform magnetic field of 2.4 T with its velocity perpendicular to the field. The deuteron moves in a circular path in the magnetic field. The radius of its path in the magnetic field (correct to two decimal places) is _______ cm. [mass of deuteron is 3.34 × 10⁻²⁷ kg, 1 MeV = 1.6 × 10⁻¹³ J and e = 1.6 × 10⁻¹⁹ C]](https://www.letstalkacademy.com/wp-content/uploads/2025/12/slide_60-12.jpg)
IIT JAM Biotechnology Previous Year Question Paper 2017 Video Solution
Deuteron Radius in Mass Spectrometer
Q.60 In a mass spectrometer, a deuteron with kinetic energy 17 MeV enters a uniform magnetic field of 2.4 T with its velocity perpendicular to the field. The deuteron moves […]
![Q.59 An X-ray tube operates at 30 kV. If one electron converts 10% of its energy into a photon at first collision, then the wavelength of the photon (correct to two decimal places) is _______ Å. [h = 4.14 × 10⁻¹⁵ eV·s, c = 3 × 10⁸ m s⁻¹ and e = 1.6 × 10⁻¹⁹ C]](https://www.letstalkacademy.com/wp-content/uploads/2025/12/slide_59-12.jpg)
IIT JAM Biotechnology Previous Year Question Paper 2017 Video Solution
X-Ray Tube Wavelength Calculation
Q.59 An X-ray tube operates at 30 kV. If one electron converts 10% of its energy into a photon at first collision, then the wavelength of the photon (correct to […]
IIT JAM Biotechnology Previous Year Question Paper 2017 Video Solution
Using word TRICK has five distinct letters
Q.58 Using the letters in the word TRICK a new word containing five distinct letters is formed such that T appears in the middle. The number of distinct arrangements is […]
IIT JAM Biotechnology Previous Year Question Paper 2017 Video Solution
Magnitude of a – b for Unit Vectors at π/3 Angle
Q.57 If a and b are unit vectors and the angle between them is π/3, then the magnitude of a − b is _______. Introduction Finding the magnitude of |a−b| for unit vectors with angle […]
IIT JAM Biotechnology Previous Year Question Paper 2017 Video Solution
Permanganate Ion Reduction by Ferrous Ion in Acidic Solution
Q.56 In acidic solution, permanganate ion is reduced by ferrous ion. The number of electrons involved in the reduction of permanganate ion is _______. The number of electrons involved in […]
