एक कुंडलित संपीड़न कमानी (helical compression spring) के लिए, वाह्ल सुधार कारक (Wahl's correction factor - Kw) निम्नलिखित में से किस व्यंजक द्वारा दिया जाता है? (जहाँ c कमानी सूचकांक है)

Which of the following territories was annexed by Lord Dalhousie under the pretext of misgovernance, and not directly through the Doctrine of Lapse?

What was the primary stated reason for the Partition of Bengal in 1905 by Lord Curzon?